
Completed
Posted
Paid on delivery
I need a clean, well-documented REST API that accepts product information from external systems and writes it into my application’s database. The core goal is reliable data submission, so the endpoints only have to handle POST (and possibly PUT) operations—no complex querying for now. Here’s how I picture the workflow: • One authenticated endpoint that receives full product payloads (name, SKU, price, description, images, categories, stock levels, etc.). • Optional secondary endpoint for bulk uploads if that is faster for you to implement. • Standard JSON request/response format with clear HTTP status codes and helpful error messages. • Token-based authentication (JWT or similar) to keep it simple yet secure. • Basic rate limiting and CORS rules set so the API is ready for production. • Swagger / OpenAPI 3.0 documentation generated automatically from the code. Stack is flexible—Node.js (Express or Fastify), Python (FastAPI), or PHP (Laravel/Lumen) are all acceptable as long as the code is modular, tested, and easy to maintain. If you prefer another language or framework let me know why it’s a better fit. Deliverables: 1. Source code pushed to my private Git repo with clear commit history. 2. Postman or Insomnia collection demonstrating successful product submissions. 3. README explaining environment variables, setup steps, and deployment commands. 4. Swagger/OpenAPI spec served at /docs. Acceptance criteria: – POST /products returns 201 on valid payload, 400 on validation failure, 401 on missing/invalid token. – Payloads larger than 2 MB are rejected with 413. – Unit tests show ≥90 % coverage for controllers and validation logic. – Deploys without errors to my staging server (Ubuntu + Docker). Once merged and reviewed, I’ll handle the UI side. Let me know the framework you prefer, your estimated timeline, and any library choices that will speed things up while keeping the codebase clean.
Project ID: 40416335
41 proposals
Remote project
Active 14 days ago
Set your budget and timeframe
Get paid for your work
Outline your proposal
It's free to sign up and bid on jobs

Hi, I've built several product ingestion APIs and understand exactly what you need—a reliable, validated POST/PUT pipeline that external systems can trust to submit product data cleanly. I'd use **FastAPI** (Python) for this since it auto-generates OpenAPI 3.0 docs at `/docs` out of the box, offers Pydantic-based validation that returns precise 400 errors, and handles async bulk uploads efficiently. I'll implement JWT authentication, rate limiting via middleware, proper CORS configuration, and a modular project structure with unit tests. You'll get a clean commit history in your repo, a ready-to-import Postman collection, and a detailed README covering env setup and deployment. I can start immediately.
£10 GBP in 1 day
6.5
6.5
41 freelancers are bidding on average £18 GBP for this job

Hello, As the leader of one of the largest web service provider teams in Pakistan, I can confidently say that we have the technical prowess to complete your project with exceptional deliverables. In fact, we've previously developed REST APIs using various languages such as Node.js (Express), Python (FastAPI), and PHP (Laravel/Lumen) - all of which are perfectly suited to your needs. Whichever language you choose, our code is always modular, tested, and easy to maintain, which aligns perfectly with your requirements. Moreover, we understand the importance of thorough documentation for developer convenience. That's why we're well-versed in generating automatic Swagger/OpenAPI 3.0 documentation from the code, such as the one you requested in your project description. Our delivery commitments also include a postman or insomnia collection for successful product submission demonstration and a README file that explains everything from environment variables to deployment commands for a seamless setup on your end. Lastly, please be assured that we'll never compromise on quality. Our team is dedicated to achieving high test coverage for controllers and validation logic through unit tests. We guarantee your code will perform flawlessly on your staging server (Ubuntu + Docker). Let's work together towards this goal of creating an API that excels at reliable data submission! Thanks!
£30 GBP in 1 day
8.6
8.6

Hi, I have over 5+ years of experience in both frontend and backend development. I will do the specified tasks. Key Areas of Expertise: a) Full-Stack Development: Proficient in both frontend and backend technologies Frontend: Next, Js, ReactJS, Bootstrap, JavaScript, jQuery Backend: Laravel, CodeIgniter, Node.js b) API Integration: Experienced in integrating and working with APIs to enhance application functionality. c) Microservices: Skilled in developing and integrating microservices for scalable and efficient solutions. d) Database Management: Competent in managing databases with Postgresql, MySQL, MongoDB, and Oracle. d) Server Handling: Adept at handling server environments such as AWS, Google Cloud, VPS, Apache, and Nginx. Let’s discuss how I can help achieve your project goals and add value. Lets connect in chat so that We discuss further. With Regards, Sai
£10 GBP in 1 day
7.7
7.7

I can give you a working api with all your requirements in a few hours. It will be consiting of documentation, postman collection and dockerfile for easy setup and deployment. Lets chat.
£20 GBP in 1 day
6.5
6.5

Hello, I will create a robust REST API for seamless product submission, focusing on secure data handling and efficient endpoints. I will ensure token-based authentication, rate limiting, and clear documentation for easy integration. Let's discuss further to initiate the project. Thanks
£10 GBP in 7 days
6.0
6.0

Hey, Thanks for your post. I'v read your description carefully. I have relevant experience I can help. some of my skills are: PHP, HTML, Nodejs, CSS and JavaScript, Python, Excel, Webscraping, Web Apis Hope you're having a nice day my friend :)
£15 GBP in 7 days
4.7
4.7

Hi, The project calls for a minimal, production-ready REST API that ingests product payloads and enforces strict validation, auth, and rate limits while auto-generating OpenAPI docs. I note the need for 201/400/401/413 semantics and Docker-first deploy to Ubuntu staging with ≥90 % unit coverage on controllers and validation; bulk ingestion is a pragmatic secondary path. I will use Node.js with Fastify to keep the footprint small and throughput high, employing JWT for token auth, Zod for tight schema validation, and fastify-autoload for modular structure. Rate limiting, sane CORS, and 2 MB payload guards will be native; Swagger will mount at /docs via fastify-swagger. Tests will use Jest with supertest for near-full coverage, and linting/prettier will keep commits clean. I will push clear, atomic commits to your repo, supply a Postman collection with happy/unhappy flows, and provide a README covering env vars, Docker build/run, and staging deploy. The API will be review-ready and stable for your UI integration. Lets connect in chat so that we discuss further. Regards, Mohd Nadeem Khan
£15 GBP in 4 days
4.3
4.3

Hello, I checked your project "Product Submission REST API Setup" and I already have a clear idea how to deliver this efficiently. I have solid experience in PHP, JavaScript, Python, Node.js, Elasticsearch, RESTful API, API Development, FastAPI, and I’ve worked on similar projects where I delivered high-quality, scalable, and clean solutions. Why choose me? • Strong expertise in PHP, JavaScript, Python, Node.js, Elasticsearch, RESTful API, API Development, FastAPI • Clean, optimized, and scalable code • Fast communication and daily updates • 100% focus on delivering results, not just code If needed, I can also suggest improvements to make your project even better. Let’s connect I’m ready to start right away. Best regards, Umer
£15 GBP in 1 day
3.7
3.7

As a versatile Full-Stack Developer with a core focus on PHP and REST API development, I am uniquely qualified to handle your product submission project. I have extensive experience building high-performing digital platforms - from complex booking engines and real estate platforms to large WooCommerce stores. Your project's demand for a clean, well-documented API with robust POST operations aligns perfectly with my strengths. Moreover, your stack options of Node.js, Python, or PHP are areas I excel in as a Laravel and Lumen expert with resounding success. My use of modular, extensively tested and maintainable code ensures long-term reliability - an attribute your project's core goal rightly emphasizes. With excellent command over Vanilla JavaScript and its various frameworks, such as React and VueJS, I can comfortably provide a comprehensive UI solution for the application. Lastly, my proficiency in developing REST APIs will guarantee that your endpoints are secure, properly rate-limited and fulfill other essential requirements like token-based authentication. Alongside delivering the source code via Git, I will include an instructive README file as requested, providing clear setup steps including environment variables, deployment commands as well as containerization details that match your staging server's environment. Awaiting to be your technical partner on this journey!
£20 GBP in 1 day
3.6
3.6

Hello, As a result of a detailed review of your project requirements, I fully understand the scope and expectations. I have experience building secure, production-ready REST APIs with clean documentation and tests, and I'm available to start your project right now. I bring strong expertise in Node.js, Python/FastAPI, PHP/Laravel, RESTful API, API Development, JWT authentication, Docker, and Swagger/OpenAPI with over 10 years of experience. One of the key challenges in projects like this is keeping product submission reliable, validated, secure, and easy to maintain from day one. For this, I would prefer FastAPI because it provides strong validation, automatic OpenAPI docs at `/docs`, clean async handling, and fast unit testing. I would implement authenticated POST/PUT product endpoints, optional bulk upload, JSON validation, rate limiting, CORS, 2MB payload rejection, Docker setup, Postman collection, and ≥90% test coverage. I have a couple of quick questions. • What database should the API write to? • Do you already have the product table/schema defined? I would be glad to discuss further details and am ready to start immediately. Looking forward to hearing from you. Best regards, Carlos.
£10 GBP in 7 days
3.0
3.0

Hello, there, I’ll deliver a clean, well-documented REST API that reliably accepts full product payloads and writes them to your database, with token-based authentication and production-ready foundations. I’ll implement one authenticated POST endpoint for single submissions and a fast bulk-upload path, with clear JSON responses and OpenAPI 3.0 docs generated from the code. A concrete production risk is ensuring data from external systems stays in sync with your DB in the face of retries or network hiccups. I’ll address this with strict input validation, idempotent write paths, and a small, observable retry/delta mechanism so duplicates and partials don’t corrupt state. My approach is to keep the code modular and maintainable: a validation layer, a thin service layer, and a dedicated persistence adapter with clear error mapping for 400/401/413 responses. A deeper technical improvement is adopting idempotent POST handling with an optional idempotency-key header, plus a lightweight queue for bulk submissions to decouple ingestion from DB writes, improving reliability and throughput. You’ll get source code in your private Git repo with a clean commit history, a Postman collection, a thorough README, and the Swagger docs served at /docs. This will deploy to Docker on Ubuntu without surprises, and I’ll tailor the framework choice to your stack preference. Thanks, Jim.
£20 GBP in 153 days
2.9
2.9

I can build a clean, modular REST API (FastAPI or Node) with JWT auth, strict validation, rate limiting, and auto-generated Swagger docs, optimized for reliable product ingestion and easy Docker deployment. Do you have a fixed DB schema or should I design it? Any preferred auth format (Bearer JWT vs API key)? Should bulk uploads be async queued or immediate processing? Best regards, Muzammil
£15 GBP in 7 days
2.7
2.7

Hi, ⭐15+ Yrs Sr Developer here⭐ I can build a clean REST API for product submissions with token authentication, validation, rate limiting, CORS, and Swagger/OpenAPI docs. I’d likely use FastAPI or Node.js/Fastify for this because both are lightweight, production-ready, and fit well with Docker on Ubuntu. The API will handle single and optional bulk product POST requests, return clear JSON errors, reject oversized payloads, and include unit tests around controllers and validation. I’ll also provide a Postman/Insomnia collection, README, and clean commits in your private repo. The result will be easy to maintain and ready for your UI to connect. If you think I am a good fit, feel free to ping me anytime. — GAZMIR
£15 GBP in 1 day
2.4
2.4

Clean REST API with full documentation and test coverage -- here is my stack choice and approach. FastAPI (Python) -- auto-generates OpenAPI 3.0 docs at /docs out of the box, fastest path to your acceptance criteria, and Pydantic handles validation cleanly with descriptive error messages. Single authenticated POST /products endpoint accepting full product payload. Optional bulk endpoint as a secondary route. JWT authentication, 413 rejection for payloads over 2MB, rate limiting, and CORS configured for production. HTTP status codes exactly as specified: 201, 400, 401, 413. Unit tests at 90%+ coverage for controllers and validation logic. Deploys to Ubuntu with Docker via provided compose file. Deliverables: source code in your private Git repo with clean commit history, Postman collection, README with environment variables and deployment steps, and Swagger docs at /docs.
£20 GBP in 2 days
2.2
2.2

Implementing the required REST API demands a focus on robust error handling and clear documentation to ensure reliability in product data submission. I propose using Node.js with Express for its modularity and extensive middleware support. This enables seamless integration of token-based authentication and rate limiting while keeping deployment straightforward with Docker on your staging server. Expect the initial deliverable in 10 days, featuring a fully functional POST endpoint, unit tests achieving over 90% coverage, and Swagger documentation available at /docs. What does success look like for you at the end of this project?
£12 GBP in 10 days
1.8
1.8

Hello, I have a few questions regarding your Product Submission REST API setup project. Have you already determined which programming language and framework you prefer for this API implementation? Additionally, do you have any specific preferences for the authentication method to be used? I would recommend considering JWT for a simple yet secure authentication process. I am confident in my ability to efficiently handle the development of your REST API. I plan to create a clean and well-documented API that meets all your requirements, focusing on reliability and ease of use for external systems. Core Deliverables: - One authenticated endpoint for receiving product payloads - Optional secondary endpoint for bulk uploads - Implementation of token-based authentication for security - Swagger/OpenAPI 3.0 documentation automatically generated I'll share my portfolio with you in the DM. Kindly ping me there. My experience with Node.js, Express, Python, and PHP ensures quality, consistency, and smooth delivery. I'd be happy to discuss your project further and answer any questions. Best regards, Malaika
£15 GBP in 1 day
2.7
2.7

Hello, I’m excited to help build a clean, production-ready Product Submission REST API tailored to your needs. I’ll implement a focused POST endpoint at /products (and an optional bulk upload) with strict payload validation for name, SKU, price, description, images, categories, and stock levels. Authentication will use JWTs, with rate limiting and CORS presets to keep the surface simple yet secure. The API will be Node.js (Fastify) or Python (FastAPI) by default, chosen for modularity, strong typing, and easy testing, with a clear separation of concerns (routes, validation, data access). You’ll get automatic OpenAPI 3.0 generation, and a /docs route serving the spec. Deliverables include a private Git history, a Postman/Insomnia collection, a comprehensive README (env vars, setup, deployment), and unit tests achieving ≥90% coverage. The solution will reject payloads >2 MB with a 413, and handle 201, 400, and 401 responses per your acceptance criteria. I will ensure the code is ready for Docker-based staging on Ubuntu with smooth deployment workflows. Best regards,
£30 GBP in 1 day
2.0
2.0

I understand your need for a robust and well-documented REST API that facilitates reliable product submissions while ensuring security and maintainability. I propose using Node.js with Express for its modularity and extensive middleware support, allowing for easy integration of token-based authentication and rate limiting. My approach will include developing a single authenticated endpoint for product payloads and an optional bulk upload endpoint, both adhering to standard JSON formats and HTTP status codes. I will ensure comprehensive unit tests for at least 90% coverage and provide Swagger documentation for clarity.
£100 GBP in 2 days
1.9
1.9

Hi, I can build this API for you and keep it clean, stable, and easy to integrate with other systems. I’ve worked on similar backend APIs where the main focus was reliable data submission, validation, and secure authentication, so I understand exactly how to structure this properly. I would set it up with a single secure POST endpoint for product data (name, SKU, price, stock, images, categories, etc.), with proper validation and clear error responses. If needed, I can also add a bulk upload endpoint to handle larger imports efficiently. Authentication will be handled using JWT tokens, and I’ll include basic security measures like rate limiting and CORS so it’s production-ready. All responses will follow standard HTTP codes with clear messages so integration from external systems is smooth. I’ll also generate Swagger/OpenAPI documentation at /docs, so your team can easily test and integrate the API. The code will be modular, well-organized, and pushed to your Git repo with a clear README for setup, environment variables, and deployment steps. I can also include unit tests to ensure validation and controller logic are properly covered, and make sure it runs smoothly in a Docker-based staging setup on Ubuntu. I can start immediately and deliver a clean, production-ready API that your UI team can directly connect with.
£12 GBP in 1 day
1.0
1.0

Hello, It's clear that you need a reliable and well-structured REST API to handle product submissions efficiently. Your focus on data integrity and clean documentation resonates with my approach to building robust solutions. For this project, I will use Node.js with Express, given its simplicity for creating RESTful APIs and strong community support, alongside Swagger for automatic documentation generation. Here is what I will deliver: - Source code pushed to your private Git repo with clear commit history. - Postman collection demonstrating successful product submissions. - Clean, modular code that is easy to maintain and understand. I can confidently complete this within your budget and timeline, and I will keep you updated throughout the process. Would you prefer a bulk upload endpoint from the outset, or should we focus solely on the authenticated single product submission first? Best regards
£15 GBP in 7 days
0.7
0.7

With over 6 years of hands-on experience in full stack development, I can confidently build for you the highly-functional and robust REST API solution that you need. I've worked extensively with Node.js (using both Express and Fastify frameworks), Python (FastAPI), and PHP (Laravel/Lumen) which are all compatible with your project stack requirement. Regardless of the language or framework we adopt, my code will be assuredly modular, tested, and easy to maintain - traits that align perfectly with your project needs.
£15 GBP in 1 day
1.4
1.4

Birmingham, United Kingdom
Payment method verified
Member since Sep 20, 2023
£2-5 GBP / hour
£5-10 GBP / hour
$2-8 USD / hour
min £36 GBP / hour
£2-5 GBP / hour
€30-250 EUR
$1500-3000 USD
$30-250 USD
$250-750 USD
₹37500-75000 INR
₹500 INR
₹1500-12500 INR
₹1500-12500 INR
₹1500-12500 INR
$750-1500 USD
₹1500-12500 INR
$750-1500 USD
₹37500-75000 INR
$25-50 USD / hour
£20-250 GBP
₹12500-37500 INR
$15-25 USD / hour
₹12500-37500 INR
₹37500-75000 INR
₹750-1250 INR / hour