You will get secure API integration for Stripe, AI, Google APIs and other


Project details
Need to connect your application with a third-party API but not sure how to do it safely and correctly?
Integrating APIs can be tricky. Authentification, data mapping, error handling, webhooks and unexpected responses can quickly turn into frustating problems if not handled properly.
That's where I can help.
I'm a full-stack developer with 8+ years of experience working with Angular, JavaScript, TypeScript, PHP and Python, building and maintaining real production applications. I've integrated payment systems, AI services, Google APIs and custom third-party solutions into web applications of all sizes.
I can help you integrate APIs such as:
• Stripe/PayPal
• Google APIs
• AI APIs
• CRM sysetms
• REST APIs
• Webhooks
• Athentication systems (OAuth, JWT, API Keys)
My goal is to make your systems work together smoothly, securely and reliably.
I work carefully, communicate clearly and make sure your integration is stable and easy to maintain.
If you're not sure what you need yet, send me a mesage and we can review it together.
Integrating APIs can be tricky. Authentification, data mapping, error handling, webhooks and unexpected responses can quickly turn into frustating problems if not handled properly.
That's where I can help.
I'm a full-stack developer with 8+ years of experience working with Angular, JavaScript, TypeScript, PHP and Python, building and maintaining real production applications. I've integrated payment systems, AI services, Google APIs and custom third-party solutions into web applications of all sizes.
I can help you integrate APIs such as:
• Stripe/PayPal
• Google APIs
• AI APIs
• CRM sysetms
• REST APIs
• Webhooks
• Athentication systems (OAuth, JWT, API Keys)
My goal is to make your systems work together smoothly, securely and reliably.
I work carefully, communicate clearly and make sure your integration is stable and easy to maintain.
If you're not sure what you need yet, send me a mesage and we can review it together.
Programming Languages
PHP, JavaScript, TypeScriptCoding Expertise
Cross Browser & Device Compatibility, Performance Optimization, SecurityWhat's included
| Service Tiers |
Starter
$40
|
Standard
$120
|
Advanced
$258
|
|---|---|---|---|
| Delivery Time | 2 days | 4 days | 6 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.
Fast Delivery
+$20 - $100
Additional Revision
+$20Frequently asked questions
About Alejandro
Software Engineer | Angular
Barcelona, Spain - 4:36 am local time
I specialize in Angular, Vue, TypeScript, Node.js / NestJS and PHP backends. Clean code, scalable architecture, fast delivery.
What I can help you with:
Angular / Vue frontends
Node.js / NestJS or PHP REST APIs
Bug fixing & refactoring
Full stack apps from scratch
Steps for completing your project
After purchasing the project, send requirements so Alejandro can start the project.
Delivery time starts when Alejandro receives requirements from you.
Alejandro works on your project following the steps below.
Revisions may occur after the delivery date.
Requirement Analysis
I review your API documentation and understand your integration needs.
Architecture Planning
I design how the API will connect with your frontend and backend.