You will get I will integrate any third-party API into your Node.js backend
Project details
I will integrate any third-party API into your Node.js or NestJS backend:
payment APIs, CRM systems, AI APIs, geolocation, email services, OAuth, or custom REST services.
You will receive clean integration, error handling, validation and full documentation.
I ensure secure API calls, retries, rate-limit handling and stable performance.
payment APIs, CRM systems, AI APIs, geolocation, email services, OAuth, or custom REST services.
You will receive clean integration, error handling, validation and full documentation.
I ensure secure API calls, retries, rate-limit handling and stable performance.
Programming Languages
JavaScript, TypeScriptCoding Expertise
Performance Optimization, Security, DesignWhat's included
| Service Tiers |
Starter
$120
|
Standard
$200
|
Advanced
$300
|
|---|---|---|---|
| Delivery Time | 2 days | 3 days | 5 days |
Number of Revisions | 1 | 2 | 3 |
Design Customization | - | - | - |
Content Upload | - | - | - |
Responsive Design | - | - | - |
Source Code |
Optional add-ons
You can add these on the next page.
Additional Revision
+$20Frequently asked questions
About Andrew
Senior Backend Developer | NestJS, Node.js, PostgreSQL, APIs
Kyiv, Ukraine - 10:09 pm local time
I build reliable, scalable, production-grade server-side applications, fix complex backend issues, and integrate external APIs with clean architecture and maintainable code.
What I can build for you
- Modular NestJS architectures
- Secure authentication (JWT, OAuth2, Cognito)
- REST APIs with clean folder structure
- PostgreSQL schema design + query optimization
- Microservices & event-driven backend (RabbitMQ/SQS)
- Third-party integrations (Stripe, PayPal, CRM, Google APIs)
- Debugging, refactoring, performance improvements
- Deployment-ready backends (Docker, CI/CD)
Why clients work with me
- Clean, maintainable TypeScript code
- Strong communication & fast delivery
- Ability to quickly understand existing codebases
- Experience with production-level systems
- 100% focus on solving the right problem — not adding complexity
If you need a backend engineer who can deliver strong architecture, reliable APIs, and real results, let’s work together.
Steps for completing your project
After purchasing the project, send requirements so Andrew can start the project.
Delivery time starts when Andrew receives requirements from you.
Andrew works on your project following the steps below.
Revisions may occur after the delivery date.
Understanding your API needs
You share API docs and required endpoints.
API integration
I connect your backend to the third-party service and implement the needed functionality.