API stands for Application Programming Interface, and it is an layer of interface that allows programs to interact with each other. An experienced API developer can build complex interactions between applications, making them faster, more reliable, and accurate. Whether you need a second opinion on your existing application or you want to create an entirely new application for your business, an expert API Developer can do the job for you.

An API Developer's job does not stop at developing. They can also work on design and implementation testing, guide through the entire architect process from prototyping to implementation, create custom system integration solution based on the project requirements, and collaborate with other teams to develop systems that meet customer expectations.

When hiring an API Developer through Freelancer.com, rest assured that they are as competent as any hired onsite software engineer.

Here’s some projects our experts have worked on:

  • Building custom interfaces to move large amounts of data efficiently between applications
  • Working with Javascript to allow websites to access external information relating to weather conditions
  • Creating Grafana dashboards for quick and easy visualization of data points
  • Developing scripts to connect external APIs with more heavy-duty platforms like Microsoft Azure
  • Debugging mobile apps involving fishing
  • Integrating AI capabilities into online shops
  • Automating regression tests so developers can work faster and more accurately

No matter what your business needs are in terms of API development, our expert freelancers are ready to take on the challenge and provide support whenever you need it. With expertise in debugging applications and web development, you're guaranteed to find the right developer for your project! So why wait? Post your project today at Freelancers.com and reap the benefits of working with an expert API Developer now!

From 164,477 reviews, clients rate our API Developers 4.9 out of 5 stars.
Hire API Developers

API stands for Application Programming Interface, and it is an layer of interface that allows programs to interact with each other. An experienced API developer can build complex interactions between applications, making them faster, more reliable, and accurate. Whether you need a second opinion on your existing application or you want to create an entirely new application for your business, an expert API Developer can do the job for you.

An API Developer's job does not stop at developing. They can also work on design and implementation testing, guide through the entire architect process from prototyping to implementation, create custom system integration solution based on the project requirements, and collaborate with other teams to develop systems that meet customer expectations.

When hiring an API Developer through Freelancer.com, rest assured that they are as competent as any hired onsite software engineer.

Here’s some projects our experts have worked on:

  • Building custom interfaces to move large amounts of data efficiently between applications
  • Working with Javascript to allow websites to access external information relating to weather conditions
  • Creating Grafana dashboards for quick and easy visualization of data points
  • Developing scripts to connect external APIs with more heavy-duty platforms like Microsoft Azure
  • Debugging mobile apps involving fishing
  • Integrating AI capabilities into online shops
  • Automating regression tests so developers can work faster and more accurately

No matter what your business needs are in terms of API development, our expert freelancers are ready to take on the challenge and provide support whenever you need it. With expertise in debugging applications and web development, you're guaranteed to find the right developer for your project! So why wait? Post your project today at Freelancers.com and reap the benefits of working with an expert API Developer now!

From 164,477 reviews, clients rate our API Developers 4.9 out of 5 stars.
Hire API Developers

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    65 jobs found

    Technical Co-Founder / Web Developer Wanted – Transport Marketplace Startup We are building an online transport marketplace similar to Shiply where customers can request quotes from multiple transport companies in one place and choose the best option. Our platform: The website is already live but we need a developer to customise and develop the functionality of our template Wordpress workreap so it operates similarly to Key features required: • Customer job posting system • Transport companies submitting quotes • Messaging between users and transport companies • Quote comparison and booking • User accounts and dashboards We are currently looking for a developer who would like to join us at an early stage as a collaborator or technical p...

    ₹2495 Average bid
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    47 bids

    I’m planning the next phase of our Agentic AI initiative and need someone who can architect and deploy end-to-end automations inside our CRM. Two priorities top the list: a conversational chatbot that can field customer queries in real time, and an automated email response engine that keeps prospects engaged without manual touchpoints. From there we will expand into broader workflow orchestration, so I’m looking for a partner who can think beyond single tasks and design an intelligent framework we can iterate on. Here is what success looks like on this engagement: • A production-ready chatbot tied directly into the CRM’s contact records, capable of pulling context, updating fields, and escalating to a human only when confidence is low. • A rules-plus-ML ema...

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    24 bids

    I’m ready to turn my Nifty 50 option debit-spread idea into a fully automated strategy on Fyers. The core logic must follow Line Break chart rules—no other indicators—so every entry and exit will be driven strictly by the block changes those charts create. I need the Python code that translates that logic into live orders for both buying and selling legs of the spread. Here’s what matters most to me: • A clean, well-commented Python script that connects to the Fyers API and places the debit-spread orders automatically. • Parameters (strike distance, quantity, Line Break reversal size, time filters, etc.) exposed in one place so I can tweak them without digging through the code. • Robust error handling and position tracking so the script knows exa...

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    34 bids

    I am rolling out a fresh Odoo 15 instance and need the CRM, Project Management and VoIP modules fully configured for daily production use. Also would like to see how to implement a custom bridge between Odoo and our in-house MySQL database: data must flow reliably in both directions so that accounts, tickets and call logs stay perfectly in sync with our legacy systems. Deliverables • Configured CRM, Project and VoIP modules ready for use • A working, documented MySQL connector (source code in a Git repo) • Basic test data proving two-way sync and error handling • A short hand-off guide so my team can maintain the linkage I’ll provide SSH access to a vanilla Odoo 15 server and the MySQL schema. Let me know your estimated timeline and any clarifying quest...

    ₹1571 / hr Average bid
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    114 bids
    Take a new photo
    6 days left

    I need a lightweight, reliable identity-verification flow added to my existing web application. The user must be prompted to upload a clear photo of a government-issued ID; once submitted, the image should be checked for authenticity and the result (pass, fail, or manual review) returned to my database in real time. Please wire it to the UI I already have in place and keep the interaction smooth on both desktop and mobile. You are free to call an external service such as Onfido, Veriff, or a custom OpenCV/Python solution, as long as you reach comparable accuracy and provide full API documentation. Deliverables • Functional photo-ID upload and verification endpoint • Front-end hook that triggers the flow and displays status updates • Callback that stores the verific...

    ₹2125 / hr Average bid
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    68 bids

    Let me be clear, I am not looking for someone good in Internet CRM, I need someone Expert in platform - that specific platform. Not that you have worked on other CRM's. API task, e-conomics implementation, Automation tasks, Pipeline/process setup, email/PDF template building, report building etc. When you reply, please point to specific WebCRM projects you’ve handled, note the modules you know best, and let me know your usual turnaround time. Clear communication and clean, well-documented setups are a must; if that sounds like your style, I’m ready to get started.

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    166 bids

    I need a low-latency crypto-futures companion that lets me specify exactly how much of my balance I am willing to risk, then sizes and fires the order in real-time—no more, no less. Primary exchange focus is Mexc, with Bybit and Binance immediately after (xbt support can follow the same interface). The bot can run as a lightweight desktop app or CLI, I am happy with Python, Node, or Rust under the hood as long as it speaks each exchange’s REST & WebSocket API and keeps execution times under 200 ms. Core workflow • I enter the trading pair, my stop-loss price, and the % of balance of my account I want to risk. • The tool pulls the live mark/last price, calculates the exact position size, and places either a market or limit order (my choice each time). &bull...

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    18 bids

    Project Title: Python Backend Developer with AWS Expertise Project Description: Looking for a highly skilled Python backend developer with expertise in AWS to work on fixing bugs, building APIs, and optimizing backend performance. The developer must be comfortable working remotely via TeamViewer. This is an 8-month fixed-term project with a monthly budget of ₹15,000 - ₹17,000 INR. Budget: ₹15,000 - ₹17,000 INR per month

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    17 bids

    I will build a complete scheduled notification system using n8n. This workflow will run on a defined schedule and automatically send notifications via Email and Push platforms such as Discord or Telegram. What I will deliver: - Time-based trigger (runs every X minutes/hours as needed) - API integration using HTTP Request and Webhooks - Email notifications via SMTP or email service - Push notifications via Discord / Telegram APIs - Logging system (Google Sheets or database) for tracking results Additional features: - Clean and well-structured workflow - Clearly named nodes and organized data flow - Comments inside n8n for easy understanding - End-to-end testing on your n8n instance - Short video or guide for future edits This solution helps automate repetitive monitoring and alert tasks...

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    18 bids

    We are a CBSE-affiliated residential boarding school in Phalodi, Rajasthan. We are running our 2026–27 admissions campaign and need an expert to set up a complete WhatsApp CRM automation system on a contract basis. --- TOOLS ALREADY PURCHASED / IN USE: - Picky Assist (WhatsApp CRM, chatbot, Teambox inbox) - Pabbly Connect (automation middleware) - Razorpay (payment gateway) - Meta Ads / Facebook Lead Forms (admissions campaign) - Google Forms + Google Sheets - Claude AI API (Anthropic) — for AI-powered replies --- WORKFLOWS TO BE BUILT (5 total): 1. META ADS → PICKY ASSIST When a parent submits a Facebook Lead Ad form, automatically create a contact in Picky Assist CRM and send a WhatsApp welcome message using an approved template. 2. GOOGLE FORM → PICKY ASSIST ...

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    29 bids

    I need a small, self-hosted webpage that lets me paste an Amazon product URL, stores it, then checks the item’s price on a schedule I can set (hourly, daily, etc.). Each check should update a simple history table so I can see the current price, the lowest recorded price, and a basic line graph of price over time. When the price drops to a threshold I define, the system must trigger an alert—email is fine for now, but if you have prior experience with Telegram, Pushbullet, or similar channels, let me know because I may add them next. Core expectations • Accurate Amazon price capture that survives page layout changes, throttling, and captchas—use the Product Advertising API, reliable scraping libraries, or a hybrid approach that you can justify. • Clean, mini...

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    24 bids

    I already trade intraday through Zerodha and have a clearly defined strategy; what I now need is an app that plugs into the Kite Connect API and executes those trades for me automatically. The single-minded goal is fast, reliable trade execution during market hours, with automated order placement based on parameters I will supply. Here is what matters to me: • The code must authenticate to my Zerodha account securely, listen for my entry/exit signals (I can expose them as a simple REST endpoint or as a CSV-based watchlist—whichever is easier for you), and place market or limit orders instantly. • Every order response, rejection, or partial fill should be captured in a log so I can audit what happened at the end of the day. • Positions should be squared off before...

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    176 bids

    An experienced developer is required to create an electronic invoicing integration module for an existing Point of Sale (POS) system. The POS system is developed using PHP and MySQL. The module must comply with the electronic invoicing regulations and requirements of the Dominican Republic. The project involves researching the relevant API and local standards, designing and implementing the module, and integrating it with the POS system's MySQL database. We are seeking a robust and reliable solution that ensures fiscal compliance and operational efficiency. For data exchange, the Extensible Markup Language (XML) standard is utilized; all such data must be digitally signed. A Swagger (OpenAPI) document can be found at the base URL for each of the different environments; this document...

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    36 bids

    I trade on Polymarket with an algorithmic approach and would like that exact process coded so the system can handle my trades automatically. The core of the job is to translate my current trade-entry and exit rules along with my risk-management parameters into a clean, reliable script that talks to Polymarket’s API (or directly to its smart-contracts if that proves more stable). Here is what I need from you: • A well-structured program—Python is ideal, but I am flexible—that connects to live Polymarket data, evaluates the same indicators I currently watch, and submits orders in real time. • Built-in risk controls matching my current rules: position-size limits, maximum daily drawdown, and automatic exits when predefined levels are hit. • Simple config...

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    90 bids

    I'm looking for an experienced backend developer to support my hiring platform. The project involves: User Authentication: Implementing OAuth for secure user access. Database Management: Working with MySQL to ensure robust and efficient database operations. API Integration: Connecting various third-party services to enhance platform functionality. Ideal Skills and Experience: - Proficiency in MySQL - Strong experience with OAuth and user authentication - Expertise in API integration and backend development Please provide examples of similar projects you've completed.

    ₹25506 Average bid
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    52 bids
    Olx similar site - cloneee
    5 days left
    Verified

    **Job Title:** Web Developer Needed to Build a Modern Online Marketplace Platform (Similar Concept to OLX) **Job Description:** We are looking for an experienced web developer or development team to build a modern online marketplace platform where users can post listings, browse items, and communicate with sellers. The platform should be inspired by the concept of a classifieds marketplace like OLX, but it must be a unique implementation with its own design, structure, and functionality. **Main Features Required:** * User registration and login system * User profiles and dashboard * Ability for users to create, edit, and manage listings * Upload multiple photos for each listing * Categories and subcategories for listings * Advanced search and filtering (location, category, price, etc....

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    222 bids

    I’m a non-technical professional who works closely with technology in my daily work. I now want to start building and testing my own tech ideas using “vibe coding.” I’m looking for an experienced developer who can mentor me and teach the core fundamentals required to build simple products end-to-end. This will be a short, intensive learning engagement (about one week) starting next week. The goal is to quickly understand the core tools and workflows so I can start prototyping ideas independently. Topics I want to learn include: - Working with VS Code - GitHub basics and Git workflows - Understanding development environments (local machine / virtual machines) - CI/CD fundamentals - Understanding project structure and common file types - API integrations - Backend b...

    ₹1294 / hr Average bid
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    31 bids

    I need to get my application talking smoothly with a third-party service through a dedicated API connection—this is not a database link or a general network setup. The job is to configure the endpoints, handle authentication (token or key), and prove the link works with at least one successful request/response cycle. Deliverables • Clean, well-commented code or configuration that establishes the connection • A brief read-me explaining any environment variables and steps to replicate the call • Confirmation that the call returns the expected data (screen capture or log output is fine) If you’ve done quick REST or SOAP integrations before and can jump on a screen-share to walk me through final testing, that would be ideal.

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    30 bids

    Senior Node.js Marketplace Architect / Technical Lead We are looking for a senior Node.js developer / software architect to audit and stabilize an existing marketplace platform before launch. The platform is a fashion marketplace with auctions and normal product sales. Tech stack: Node.js (Express) PostgreSQL Redis React (Vite) WebSockets (real-time bidding) Stripe / payment integrations Sendcloud shipping integration The platform is already developed by a team of developers and consists of: Backend API Frontend marketplace Admin dashboard Your role will be: • Perform a full codebase audit • Identify architectural issues and potential race conditions • Fix critical bugs before launch • Review auction logic and real-time bidding system • Review payment flow...

    ₹2588 / hr Average bid
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    182 bids

    We are building a safety check-in application (“ImOkay”) using the WhatsApp Business Cloud API and need an experienced Meta/WhatsApp specialist to assist with message template setup and troubleshooting. Current Issue We are unable to submit message templates in WhatsApp Manager. Each attempt results in the error: “This WhatsApp Business account does not have permission to create message template.” This occurs after completing the template form and clicking Submit. The account shows full administrative access in Business Manager, but the system does not recognize permissions during submission. We need an expert to diagnose and resolve this issue and ensure templates are successfully approved. Scope of Work Investigate and resolve template creation permission is...

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    6 bids

    Project Title: Website Monitoring & Notification Tool Project Description: I am looking for a developer to build a monitoring tool that checks a specific website periodically for newly posted shift opportunities. The system should detect when new shifts become available and send an instant notification so I can review and apply manually. Key Requirements: - Automated website monitoring at regular intervals - Detection of newly available shifts or updates on the page - Instant notification through Telegram or email when a change is detected - Simple dashboard or interface to start/stop monitoring - Ability to configure filters such as location or shift type (if possible) Technical Preferences (optional): Experience with tools such as web monitoring frameworks, browser automa...

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    29 bids

    Description: Only developers experienced in casino slot game engines and API integration should apply. Our goal: ●Run our 33 existing web-based slot games on a unified system ●Build the API and central wallet system for these games ●Centrally manage RTP, hit frequency, and max win limits ●Integrate a dealer/agent system with token management ●Build a game lobby website, based on a reference site we will provide 4 Key Game System Elements: 1️⃣ Symbol weight / reel strip – fair and logical symbol distribution 2️⃣ RTP & volatility – controlling game payout rates and win variety 3️⃣ Hit frequency & near miss – logical distribution of wins across spins, including near-miss effects to enhance gameplay excitement 4️⃣ Max win limit – control of maximum payouts Req...

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    106 bids

    I have a MySQL database that stores stock-market-related records. I need a lightweight script or micro-service that will: • Query the required rows on a schedule or on demand, • Convert the result set into a clean JSON payload, and • Push that payload to a remote endpoint via a standard webhook (HTTP POST with a bearer token). The table structure is already in place; I will explain the field names you should map. The JSON shape has to match a small schema I’ll share, but it is simple key-value pairs—nothing nested beyond one level. Code can be in Python, Node.js, or PHP as long as it runs reliably on a Linux server. Use parameterised queries (or an ORM if you prefer) so there is zero risk of SQL injection, and make sure any credentials sit in an external c...

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    196 bids

    J'aimerais créer une application de proximité (marketplace) de référence permettant aux particuliers et professionnels d'échanger des services (Rénovation de maison, bricolage, jardinage, ménage) et de louer du matériel (outils, véhicules) et cela en Algérie. Pour accéder aux services qu'il soit professionnel ou particulier, le client devra régler un abonnement mensuel ou annuel. Pour avoir une idée du projet, vous pouvez essayer l'application ALLO VOISIN en France car il me faudrait exactement la même mais contextualisée en Algérie.

    ₹361242 Average bid
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    93 bids

    Ищем самостоятельного full-stack разработчика (React + Node.js/Python), который станет техническим ко-пилотом CEO DocsInBox и будет быстро превращать продуктовые идеи и прототипы в работающий код и деплой в прод (AI-тендерист для ресторанных закупок)

    ₹195546 Average bid
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    99 bids

    We are looking for a highly experienced Technical Project Manager to work on a monthly basis and take full responsibility for the development and management of: Admin Dashboard Customer Android App Driver Android App Customer iOS App Driver iOS App Key Responsibilities: Receive and understand new ideas, feature requests, and required modifications quickly and accurately. Convert requirements into professional UI/UX designs that ensure an excellent user experience. Prepare a clear execution plan and timeline based on project priorities and management direction. Lead the implementation of changes and feature development while leveraging AI tools to reduce development costs and improve efficiency. Hire and coordinate with developers for coding, bug fixing, integration, and deployme...

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    92 bids

    I need a fully-functioning demo of a trading platform that I can immediately present to stakeholders and, if it meets our standards, license or purchase outright. Crypto trading is my top priority, yet the ideal solution will also handle stocks and forex so we can scale without switching systems later. The demo should already be built, stable, and visually polished. I’m especially interested in platforms that already include—or can easily enable—real-time market data feeds, automated trading logic, and customizable dashboards. If you have additional standout tools such as risk-management alerts, portfolio analytics, or multi-exchange APIs, highlight them. Because timing is critical, please only respond if: • You can give me instant access to a live or sandbox demo....

    ₹49164 Average bid
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    52 bids

    I need a low-latency crypto-futures companion that lets me specify exactly how much of my balance I am willing to risk, then sizes and fires the order in real-time—no more, no less. Primary exchange focus is Mexc, with Bybit and Binance immediately after (xbt support can follow the same interface). The bot can run as a lightweight desktop app or CLI, I am happy with Python, Node, or Rust under the hood as long as it speaks each exchange’s REST & WebSocket API and keeps execution times under 200 ms. Core workflow • I enter the trading pair, my stop-loss price, and the % of balance of my account I want to risk. • The tool pulls the live mark/last price, calculates the exact position size, and places either a market or limit order (my choice each time). &bull...

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    26 bids

    I have a working proof-of-concept at ; now I want the same idea rebuilt cleanly so it is easier to maintain and scale. The finished site must feel just as fast as the current demo, but with production-ready code and a modern tech stack you are comfortable supporting. Core scope • A secure user system that relies on classic email-and-password signup, complete with profile management, password reset and verification emails. I am open to adding Google OAuth as an extra convenience once the primary flow is solid. • Full e-commerce layer: product catalogue, flexible pricing, shopping cart, checkout, order history and a basic admin to add or edit products. Popular gateways such as Stripe or PayPal are fine; propose what fits best. • Built-in blog so articles can be publishe...

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    83 bids

    I need help linking together various web services under an SSL connection. The services include: - APIs - Databases - Web Applications Data transfer will occur in only one direction, and I already possess an SSL certificate. Ideal Skills and Experience: - Strong background in network security and SSL integration - Experience working with APIs, databases, and web applications - Knowledge of data flow management and service integration - Ability to work efficiently and provide clear documentation Please provide a brief overview of your experience and approach. Would require to be onsite in office in Sydney Eastern Suburbs. Project 2-3 days.

    ₹2287 / hr Average bid
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    92 bids

    I manage a WordPress site and keep all planning and task management inside Notion. I now want the two platforms talking to each other automatically, with n8n acting as the hub. Here’s what I need: WordPress events—such as a new post, an update, or a change in user status—should trigger n8n workflows that push structured data into the right Notion databases. Likewise, whenever I complete or re-schedule a task in Notion, the change should circle back through n8n so the corresponding post status, custom field, or user role in WordPress is updated in near-real time. Every step has to be logged so I can quickly see what ran, when it ran, and whether it succeeded. Deliverables (all discrete and testable) • n8n workflow files (.json) covering the two-way sync • C...

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    125 bids

    I'm looking for a skilled coder to develop an automated trading system for options on the Fyers platform. The primary strategy I'll be using is theta decay. Key Requirements: - Automation of options trading on Fyers - Implementation of theta decay strategies Ideal Skills & Experience: - Experience with Fyers API - Strong background in options trading and theta decay - Proficiency in coding for automated trading systems - Python coder

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    33 bids

    Title: URGENT: Require READY White-Label Sugo/Bigo Clone Source Code (Strict $1,500 Budget) ​Job Description: I am building a premium social discovery app named "Lura." I am NOT looking for a from-scratch custom build. ​My strict strategy is to acquire a fully functional, production-ready white-label engine. The core engine, content flow, and structural mechanics must function EXACTLY like the "Sugo" or "Bigo Live" app. ​CRITICAL PREREQUISITES (Do not apply if you cannot meet ALL of these): ​Ready-Made Engine: You MUST ALREADY own the full, bug-free source code (Frontend Flutter + Backend + Admin Panel) of a Sugo/Bigo style app. ​Working APK Proof: I will not discuss any terms until I test the live, working APK of your engine on my own device. I do not buy pha...

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    114 bids

    We are looking for a developer with strong experience in Zapier automation, webhook handling, and GetAccept integration. we have already a form in our website , this form will ask the client for the address they will move from, add they will move to , space of the house they are in and space of the house they will move to, these information are critical for calculating the cost. we already have a formula to calculate the cost that we need to integrate later in Zapier , what we need now is to calculate the distance . Our office is Point A Current address is Point B the new address is Point C we need by google api to calculate distance from A to B + B to C then plus C to A that will give you a number that we will use in our end formula. Once all information are ready in zapier we will ...

    ₹3175 - ₹26455
    Sealed
    ₹3175 - ₹26455
    67 bids

    We are looking for an experienced developer to complete two focused updates on an existing live web application. The platform is already deployed and functioning, so the work must be done carefully without modifying unrelated modules or core system logic. 1. Google OAuth Integration • Implement Google OAuth login for the application. • If a user logs in with Google and the email does not exist in the system, automatically create a new user account. • Integrate the OAuth flow with the current authentication system so users are redirected back to the existing frontend route after successful login. • Ensure compatibility with the current backend authentication flow and JWT/session handling. 2. UI Update – Replace SVG Icons with Emojis • Replace all SVG icons...

    ₹14139 Average bid
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    203 bids

    I need a robust yet lightweight script that connects to a specific online-auction platform and captures every live bid event. For each event I must see two fields only—the current bid price and the bidder’s (party) name—and have them appear automatically inside an Excel file as the auction progresses. Near-instant updates (a few seconds at most) are essential so I can analyse bidding behaviour on the fly. There is a range of price ie betwenn L1 and H1. I want to know which parties are bidding at which prices and their last bid price. The site uses dynamic content so the solution will likely rely on Python with Selenium, Playwright, or direct WebSocket/API interception—whichever achieves stable real-time capture without breaching the site’s terms. Please build...

    ₹24489 Average bid
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    21 bids

    I need a developer to build an autonomous short‑form content engine using OpenClaw (agent runtime) + Python (scheduling, storage, logging). The system generates upload‑ready YouTube Shorts/TikTok packages using an 8‑agent pipeline: 1. Trend Scanner 2. Research Agent 3. Script Generator 4. Video Prompt Generator 5. Upload Metadata Agent 6. Safety/Copyright Filter 7. Viral Pattern Learning 8. Channel Growth Optimization Agents communicate via JSON, run on a VPS, and must be modular, idempotent, and resumable. Scheduler‑triggered: Trend, Research, Learning, Growth Pipeline‑triggered: Script → Prompts → Upload → Safety Safety supports: , (max 2 cycles), . System needs: • JSON schemas for all agents • Storage structure (research/scripts/prompts/uploads/trends...

    ₹3697 / hr Average bid
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    113 bids

    I already own— or can purchase— the ViserLab “Vinance” script and now need an experienced developer (or small team) to turn it into a production-ready cryptocurrency trading ecosystem that runs smoothly on both web and mobile. Mobile (Flutter) The app must replicate the attached dark-theme screenshots pixel for pixel. Bottom navigation, animations, and every UI detail should line up exactly with those mock-ups; matching the visuals is the top priority. Backend (Laravel) Build or extend a robust admin panel so I can: • oversee user accounts, KYC status, deposits, and withdrawals • adjust individual profit/loss results manually • push platform-wide notices and maintenance messages Core trading modules Please deliver fully working versions o...

    ₹133384 Average bid
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    71 bids

    I need a browser-based back-office portal that can speak fluently to both Verifone Commander and Gilbarco Passport systems running in our forecourts. The goal is to centralise inventory, capture every transaction in real time, and give my staff role-based access without relying on the vendor-supplied desktop tools. Your experience configuring Verifone and Gilbarco is essential; the project will involve working with their XML/JSON feeds, pollers, and any available APIs to pull price books, tank levels, and sales data into a single PostgreSQL or MySQL store (I am open to your recommendation). From there, the web UI—preferably built with a mainstream framework such as React, Vue, or Angular—should present dashboards for stock levels, live transaction logs, and straightforward scr...

    ₹365770 Average bid
    ₹365770 Avg Bid
    151 bids

    AI System to Automatically Generate and Publish YouTube Videos from Structured Business Data We are operating a business data platform that receives daily structured data about newly registered companies (approximately 150–250 new companies per day). We want to build an automated system that transforms this data into short YouTube videos and uploads them automatically. The goal is to create a scalable content pipeline that produces short informational videos about newly founded companies. This project requires experience with AI text generation, automated video creation and API integrations. Scope of Work The freelancer will develop a system that performs the following steps automatically: 1. Import structured company data (JSON or CSV input) 2. Generate a short script describ...

    ₹12476 Average bid
    ₹12476 Avg Bid
    108 bids
    Next.js Site to Coolify
    1 day left
    Verified

    I’m looking for a developer to help deploy a project that is already on GitHub. Right now the project works on Netlify, and I want to move it to Coolify while keeping everything working the same way. The goal is simple: make the project run on Coolify like it currently runs on Netlify. What needs to be done * connect the GitHub repository to Coolify * configure the deployment on Coolify * set up the project so it works as close as possible to a serverless setup * add and configure all environment variables * configure API keys and secret keys securely * make sure geolocation / geoposition features still work * replicate the current Netlify behavior as closely as possible * run a final test to confirm everything works in production

    ₹2033 Average bid
    ₹2033 Avg Bid
    84 bids

    I run a custom CRM called Ilumino and need an impartial, one-off consultation (about 1–3 hours) to decide which cloud VoIP platform to pair with it. I’m already looking closely at JustCall and Aircall, and my top priority is the strength and flexibility of their API capabilities. The chosen solution must comfortably handle: • Call recording • SMS integration • Analytics and reporting What I expect from our session: you’ll walk me through each platform’s API/webhook structure, outline the real-world pros and cons for a custom CRM like mine, flag any hidden costs or licensing quirks, and help me draft the right technical questions for my Ilumino developers. If you’ve previously connected VoIP tools to bespoke CRMs, especially where detailed...

    ₹66260 Average bid
    ₹66260 Avg Bid
    23 bids

    This project is a SaaS platform for property energy management and automated billing designed for property owners and building managers. The system will integrate with Tuya WiFi smart breakers installed in building electrical panels to monitor electricity consumption per unit (apartment, office, or shop). The platform will retrieve energy usage data from the Tuya IoT Cloud Platform, process it, and generate automated monthly invoices for each unit based on their electricity consumption. The system will support a multi-tenant architecture, where each client (property owner or property management company) has their own environment within the platform. Each tenant can manage multiple buildings, units, and breakers, assign devices to units, monitor consumption, and charge their tenants accor...

    ₹117087 Average bid
    ₹117087 Avg Bid
    302 bids

    I have a production-level bugs who can connect right now in TeamViewer and help in fixing production issue looking is super expert in ai and aws python

    ₹1008 Average bid
    ₹1008 Avg Bid
    18 bids

    I need a cross-platform application—web and mobile—that lets a user pull live flight data from the Skyscanner API, pick the segments they want, and instantly turn those selections into a branded “For Planning Purposes Only” itinerary in PDF format. Scope of work The core workflow is straightforward: a passenger name is entered, live Skyscanner schedules are displayed, the user chooses outbound and return legs, and a clean, clearly labeled itinerary is produced. The PDF must list airline, flight number, route, dates, times, booking class where available, plus a conspicuous disclaimer confirming it is not a boarding pass or ticket. No ticket-like barcodes or IATA boarding layouts are to be shown. Key technical notes • Front-end: any modern framework is welcome ...

    ₹49164 Average bid
    ₹49164 Avg Bid
    232 bids

    Looking for an OpenBullet config engineer to build a config for a social media site. Please apply only if you have experience building OpenBullet configs and describe a couple of your projects built.

    ₹39830 Average bid
    ₹39830 Avg Bid
    45 bids

    Business-Initiated WhatsApp messages not working ✔ API code is correct ✔ Phone Number ID is correct ✔ Access token is valid ✔ Template is working ✔ Messaging limit is active but not deliver message to customer mobile number using api. if I first send 'hi' or any text message to new number to my business account number than and than my api working for 24 hours only. so I need solution for 'Business-Initiated WhatsApp messages' for new number .

    ₹1571 Average bid
    ₹1571 Avg Bid
    10 bids

    STACK • Node.js v20.20.0 • Express backend • Stripe Checkout + Webhooks • PM2 process manager • Nginx reverse proxy • Cloudflare proxy (SSL Full Strict) • Ubuntu 22.04 VPS (Hetzner) Architecture: Cloudflare ↓ Nginx (HTTPS reverse proxy) ↓ Node.js (PM2) ↓ Express webhook endpoint Webhook endpoint: Testing is performed using Stripe CLI. PROBLEM: Stripe webhook signature verification works locally, but fails in production. Local testing: stripe listen --forward-to http://localhost:3000/api/webhook Result: 200 OK Webhook verified successfully Production testing: stripe listen --forward-to Result: 400 Bad Request No signatures found matching the expected signature Debugging confirms: → Buffer = true Meaning th...

    ₹15409 Average bid
    ₹15409 Avg Bid
    138 bids

    I have two separate systems hosted under the same hosting provider: 1. Online course website 2. Another application with an admin panel Both are separate websites but hosted under the same control panel. Their login databases exist under the same hosting environment. Recently after a server/PHP upgrade, login functionality stopped working correctly. One freelancer already fixed the main website login for Fedu Academy, but the EXE-based login system still has an issue. ________________________________________ Scope of Work 1️. Fix EXE Login Issue The EXE application connects to the website for authentication. Tasks include: • Debug login/authentication issue • Fix session or validation issues • Ensure license activation works correctly • Ensure compatibility with current...

    ₹3789 Average bid
    ₹3789 Avg Bid
    26 bids

    I need an expert at Aircall API to connect Aircall account to Google Sheets and keeps everything in sync without manual intervention. The script should: • Log every inbound and outbound call (number, agent, tags, duration, recording link, notes, etc.) to a dedicated sheet the moment the event is fired. • Stream real-time call status updates—ringing, in progress, ended—into a live dashboard so supervisors can monitor activity as it happens. • Generate automated daily and weekly reports that aggregate key KPIs and drop them into pre-formatted report tabs • Leverage Aircall’s SMS endpoints so I can send and receive texts directly from the spreadsheet interface, with each thread neatly appended to the relevant contact row. • Expose the cleaned...

    ₹3142 / hr Average bid
    ₹3142 / hr Avg Bid
    54 bids

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