Amazon Seller Central API Integration

@OutsourceMan

Hi Valuable Client, I can seamlessly integrate the Amazon Selling Partner API (SP-API) into your Node.js + PostgreSQL stack with robust error handling and rate-limit controls. Technical Methodology: Authentication & Security: Set up AWS IAM role-based authorization with LWA (Login with Amazon) OAuth 2.0 flow. Implement an automated token-refresh engine using Redis/In-memory caching to reuse access tokens securely before expiry. Core Endpoint Layer (Node.js REST Wrappers): Inventory: Connect Tokens API + Listings Items API v2021-08-01 to fetch real-time FBA/FBM stock and push PATCH updates for quantity/price with optimistic locking. Orders: Implement Orders API v0 paired with SP-API Notifications (SQS / EventBridge webhook listener) for immediate order intake and push shipping/tracking acknowledgements. Reports: Streamline Reports API v2021-06-30 for settlement and performance reports using asynchronous queue processing (Worker threads / BullMQ) to parse bulk data directly into PostgreSQL without memory spikes. Rate Limits & Resilience: Implement token-bucket rate limiting (matching Amazon's specific leaky-bucket quotas) with exponential backoff and retry logic to avoid 429 Too Many Requests. Deliverables: Clean, modular REST routes/SDK wrappers, Dockerized deployment scripts (.env template included), and a live walkthrough for your team. Looking forward to discussing your exact staging setup!

@rajat07me

Hi, I can help you wire Amazon SP-API into your existing app in a clean and structured way. Your brief is well defined, and I understand the key moving parts here: LWA/IAM auth, inventory sync, order events/fulfilment updates, and settlement/report ingestion into your current tables. I work comfortably with Node.js backends and documented REST layers, so the integration can fit your current stack without creating a mess for your dev team later. If you want, I can also keep the wrapper modular so future SP-API endpoints can be added more easily.

@jafarali14

Hi there, Your project is a great fit for a clean, focused build rather than an over-engineered application. The key areas I’d prioritize are the responsive experience across mobile/tablet/desktop, secure authentication with only Admin/User roles, and a simple content panel that lets you update the site without touching code. I have 8+ years of experience with Node.js, Express, NestJS, MongoDB, MySQL, PostgreSQL, REST APIs, payment gateways, and AWS. For this scope, I can build a responsive frontend with React or Bootstrap and a lightweight backend with Node.js/Express, including secure password hashing, validation, session/authentication handling, RBAC, and a maintainable database structure. I’ve built admin dashboards, authentication systems, CRUD/content management panels, responsive interfaces, and production-ready APIs. I’ll also keep the deployment straightforward, with complete source code, database schema, environment configuration, and concise setup instructions suitable for your hosting environment. I’d be happy to turn the requirements into a clean MVP and provide a clear milestone plan from UI → authentication → admin panel → testing → deployment. Best, Jafarali

@ranjika08

Hi, I’m a strong fit for this Amazon SP-API integration, with the backend expertise to connect Seller Central securely to your Node.js/PostgreSQL stack. I’ll implement LWA/IAM authentication, token refresh, inventory and pricing sync, order/fulfilment workflows, reporting, throttling, retries, and structured error handling. I’ll deliver documented endpoints, staging/production deployment configuration, and a developer handoff covering usage and limits. lets discuss in chat as I have some queries to ask regarding the project to proceed further.

@wontonesaju

Hi, I can integrate Amazon SP-API directly into your existing Node.js + PostgreSQL application, covering inventory, orders, fulfilment, and financial/returns reporting. I’ll handle LWA, IAM roles, token refresh, throttling, error handling, and provide a clean documented REST layer with staging/production configuration. I can also ensure the integration is properly tested against Seller Central before handover. Quick question: do you already have the Amazon Developer/Seller Central SP-API application and IAM setup, or should I handle that configuration as well? regards saju

@Web1devloper

As an experienced full-stack developer, I have extensive knowledge of the Amazon Selling Partner API that your project demands. I have successfully integrated various APIs into my clients' existing web-based applications, using my proficiency in Node.js and PostgreSQL - skills that align perfectly with your project's requirements. Regarding authentication, I'm well-versed in setting up SP-API LWA and Role-based IAM flow, token refresh handling, and keeping throttling under control to ensure smooth communication between your application and Seller Central. Moreover, my comprehensive understanding of RESTful architecture further ensures that the documented REST layer or SDK wrapper that I provide will be secure, scalable, and highly efficient. In terms of deliverables, I guarantee you a clean dropped code into your existing web stack, thorough documentation describing the integration process and other important aspects, as well as deployment scripts that will make staging and production more streamlined for your team. And lastly, rest-assured that our journey together doesn't culminate at the delivery stage; I'm dedicated to conducting a hands-on session with your devs to ensure they're fully acquainted with the endpoint functionalities and familiar with rate limits and error handling.

@onkarkulkarni8

Hello, I your "Amazon Seller Central API Integration" project description in detail and undertood your requirements. I've worked on many PHP projects in recent times. So I am confident on achieving your expected Goals. Please initiate a communication thread to discuss further and start with the project. ⭐ 5.0/5 from a recent client: "A more professional version: “Excellent work! The job was completed within the committed timeline. Great quality, professionalism, and timely delivery. Highly appreciated and recommended.”" Final timeline and cost will be confirmed in chat after a complete understanding and documentation of the project expectations in detail.

@monicasynthesis

Hello, I’d be happy to integrate Amazon SP-API with your existing Node.js + PostgreSQL application. I have 5+ years of experience in API integrations, backend development, and e-commerce systems. I will provide: * Inventory, SKU, pricing, and FBA/FBM stock synchronization * Order retrieval, fulfilment, shipping, and tracking updates * Financial and settlement report integration * Secure LWA/IAM authentication with token refresh * Throttling, retries, and error handling * Clean documented API/SDK wrapper * Staging/production deployment configuration * Brief developer handover and testing I’ll ensure the integration is secure, reliable, and easy for your team to maintain. Final cost and timeline will be confirmed once I understand the complete project requirements. Warm Regards, Monica Bhatia

@ammarahmed20

In need of a seasoned engineer to seamlessly integrate the Amazon Selling Partner API into your existing web-based application? Look no further. My name is Ammar Ahmed Malik, an expert in automating complex business tasks and bolstering the efficiency of existing systems. I have successfully built AI agents and full-stack platforms used to manage API Integrations in various industries for over six years - including e-commerce. Amidst my track record is my proficiency in developing robust API solutions using Node.js, MySQL, and PostgreSQL, which are the exact technologies your project employs. Moreover, rest assured that I am well-versed with Seller Central specifics having delivered similar SP-API projects before.

@sumipundir01

Hi, I’ve worked with the Amazon SP-API and can integrate it cleanly into your Node.js + PostgreSQL stack with secure, scalable endpoints. * Full SP-API setup (LWA + IAM, token refresh, throttling) * Inventory sync (FBA/FBM, pricing, stock parity) * Order flow (fetch, acknowledge, shipping updates, tracking) * Reports (financial, performance, returns + parsing) * Clean REST layer/SDK with clear documentation * Deployment scripts + env templates * Handoff session for your team I’ll ensure staging meets all success criteria end-to-end. Ready to start. Best, Sumit

@FreeLancers360

Hello, I just finished reading your brief for "Amazon Seller Central API Integration", and I'm genuinely excited about the chance to work on it. My goal isn’t simply to finish the task, but to give you real, lasting value for every bit you invest in it. From your brief I can see this involves node — all areas we handle in-house. We specialise in NoSQL Couch & Mongo, MySQL, Node.js, PostgreSQL, which lines up directly with what you need. How we'd approach it: - Map out the scope, pages and data models up front - Build the frontend and backend with clean, scalable code - Test across devices and browsers, then deploy - Hand over with documentation and post-launch support I also noted you don’t need data loss — that’s clear, and I’ll keep the work clean and strictly on-brief. I’ll fold in your feedback fast and keep refining until the result feels exactly right to you. I can start right away and keep you updated at every step — let’s make this a great one. Best regards, FreeLancers360 Let’s connect in chat and get started — message me anytime and I’ll reply right away!

@patodeh

You need secure, well‑structured endpoints that let your web app talk to Amazon Seller Central in real time for inventory, orders and reporting. I will build a REST layer that wraps the Selling Partner API, handling LWA authentication, IAM role assumption and token refresh while respecting throttling limits. The layer will expose three clean endpoints: one for pulling catalog data and syncing quantity and price for both FBA and FBM, one for fetching new orders, sending acknowledgements and uploading shipping confirmations with tracking, and one for scheduling and retrieving financial, performance and returns reports and forwarding the results into your existing dashboards. I will deliver full documentation, environment templates for staging and production and deployment scripts that integrate with your Node.js and PostgreSQL stack. Do you prefer the wrapper in Python with FastAPI or a native Node.js module? Let’s chat, lock the exact scope and get started.

@shayankhan333

Hello, I will wire the Amazon SP-API into your Node.js and PostgreSQL stack, covering inventory sync, order processing with tracking uploads, and scheduled report retrieval into your dashboards. I will set up LWA and IAM auth with token refresh and throttling control. I can start today. For SP-API projects, I have handled auth, orders, and reports end-to-end on prior builds. Questions: 1) Is your app already registered as an SP-API developer with IAM roles ready? 2) Which reports matter most: settlement, returns, or performance? Looking forward to discussing further. Regards, Shayan.

@alluankit01

Hi, I can integrate Amazon Seller Central SP-API into your existing Node.js + PostgreSQL web application with secure authentication, inventory sync, order processing, and report retrieval. My approach will be to first review your current backend structure, staging setup, database tables, Seller Central access, LWA credentials, IAM role setup, and required workflows. Then I’ll build clean API wrappers/endpoints for catalog, inventory, pricing, orders, fulfilment updates, and reports. I’m comfortable with Amazon SP-API, Node.js, REST APIs, PostgreSQL, JSON, OAuth/LWA auth flow, IAM role-based access, token refresh, rate-limit handling, scheduled report downloads, and error logging. Deliverables: * SP-API authentication setup * Inventory/catalog sync endpoints * Quantity and price update logic * FBA/FBM stock handling * Order fetch and acknowledgement flow * Shipping/tracking update support * Financial/performance/returns report retrieval * PostgreSQL data mapping * Env template for staging/production * Deployment notes * Handover walkthrough I’ll focus on a secure, well-documented integration that your staging server can use to sync SKUs, process orders, and import reports without data loss. Best regards Ankit

@Abror86

Hi-Abror Here From Uzbekistan. "AMAZON SP-API INTEGRATION FOR REAL-TIME OPERATIONS" - "You want secure Amazon SP-API integration covering inventory, orders, reporting, and authentication." I can integrate Seller Central SP-API into your Node.js and PostgreSQL stack with secure authentication, token management, reporting, and order synchronization. I will provide documentation and deployment guidance. Which Amazon marketplaces and SP-API modules are the highest priority for your staging rollout? Looking forward to working with you.

@AhsanHabib03

Hi, I'm Ahsan Habib. I can build this integration on Node.js and PostgreSQL to drop cleanly into your existing stack, covering inventory sync for FBA/FBM stock and pricing, order processing with acknowledgements and shipping/tracking updates, and scheduled report retrieval piped into your dashboards. I'll set up the SP-API LWA and IAM role-based auth flow with proper token refresh handling and rate limit management so throttling doesn't become an issue at scale. Everything will be delivered as a documented REST layer, deployment scripts with an env template for staging and production, and a walkthrough session for your team covering usage and error handling. Let's connect so I can confirm scope and access details to get started.

@sumitwebrainbows

With extensive knowledge and proficiency in Node.js, I am your fitting partner for Amazon Seller Central API integration. As evidenced by my prior projects, I have a thorough understanding of the Amazon Selling Partner API – something that will undoubtedly expedite the process of integrating it into your existing web-based application. Specifically, I specialise in building secure, well-structured endpoints that facilitate real-time interaction with Seller Central, covering everything from inventory management to order processing and data reporting as you've outlined. Furthermore, I recognize the importance of a solid hand-off process and can guarantee a concise session whereby your team will be thoroughly acquainted with how to work with the APIs, handle rate limits, and gracefully manage errors. Once hired, my aim is not only to meet but exceed expectations -delivering an integration that enables Listing active SKUs, fetching orders, processing fulfilment updates and generating comprehensive settlement reports with zero data loss. So let's take this forward, build a robust system together and ensure you're at ease with every aspect of the integration!

@abdullahbhabh

Hello, As an experienced and skilled Full Stack Developer, I am well-versed in the precise demands of API integration, more specifically the Amazon Selling Partner API that your project revolves around. My successful track record entails developing solid endpoints for various web-based applications, and with my comprehensive understanding of crucial functionalities including inventory management, order processing, and data reporting, I am confident in my ability to meet your project's requirements. In fact, authentication via SP-API LWA and Role-based IAM flows as well as token refresh management have been essential aspects of the APIs I've handled end-to-end in previous similar projects. My language proficiency in Node.js aligns perfectly with your stack while my experience with PostgreSQL adds a valuable layer to the required deliverables like deployment scripts and staging/production setups. Lastly, beyond delivering surpassing code quality and possessing a thorough approach towards documentation and handing off processes, I offer the dedication to ensure maximal integration on your staging server: from listing active SKUs accurately reflecting stock parity with Seller Central to timely order notifications and seamless settlement report parsing into existing tables. In short, hiring me is not just getting a freelancer with expertise relevant to your project; it's gaining a confident partner equipped to diligently actualize your vision. Thanks!

@Hiretopcoder

Hi, I’m Meera, a full-stack developer with experience building API integrations and backend systems. I can integrate Amazon Selling Partner API (SP-API) into your existing Node.js + PostgreSQL application while keeping your current frontend and business logic intact. I can handle the complete integration, including: Inventory: Catalog, SKU, pricing, FBA/FBM stock synchronization Orders: Order retrieval, acknowledgements, fulfilment and tracking updates Reports: Financial, settlement, performance and returns reports Authentication: LWA, IAM roles, token refresh and secure credential handling Reliability: Rate-limit management, throttling, retries, pagination and error handling REST/SDK wrapper: Clean, documented endpoints for your existing application Deployment: Staging/production environment configuration and deployment scripts Handover: Walkthrough for your developers covering usage, limits and error handling I’ll make sure the staging implementation meets your key acceptance criteria: SKU/stock parity, order-to-fulfilment synchronization, and accurate settlement report parsing into your existing database. I can also work within your existing architecture rather than forcing a rewrite, and will provide clean documentation so your team can maintain the integration after handoff. I’m available to review the current codebase and SP-API setup and get started. Best, Meera