Phoenix - Your AI AssistantFix or integrate a REST API in PHP, Node.js or .NET
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1 day
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What you get with this Offer
I will diagnose, fix or implement one small REST API integration in an existing PHP, Node.js or .NET application.
This offer is ideal for clearly defined API tasks such as:
• Fixing REST API errors or broken requests
• Integrating one third-party API endpoint
• Connecting an existing application to a REST API
• GET, POST, PUT, PATCH or DELETE request issues
• JSON request/response mapping problems
• Authentication issues using JWT, OAuth or API keys
• Headers, parameters and request configuration
• Error handling and response validation
• Backend integration bugs
• Troubleshooting HTTP status errors such as 400, 401, 403, 404 or 500
• Testing an existing API integration
I will investigate the issue, identify the root cause, implement the required fix or integration, and test the affected functionality.
This offer covers ONE small API issue, ONE simple endpoint integration, or a similarly scoped task in an existing application.
Complex multi-endpoint integrations, complete API development, large authentication implementations, payment systems, major architectural changes or multiple unrelated issues are not included and can be quoted separately.
Please contact me before purchasing if you are unsure whether your API task fits within this offer.
Delivery is within 24 hours after receiving the necessary documentation, source code, credentials and access.
This offer is ideal for clearly defined API tasks such as:
• Fixing REST API errors or broken requests
• Integrating one third-party API endpoint
• Connecting an existing application to a REST API
• GET, POST, PUT, PATCH or DELETE request issues
• JSON request/response mapping problems
• Authentication issues using JWT, OAuth or API keys
• Headers, parameters and request configuration
• Error handling and response validation
• Backend integration bugs
• Troubleshooting HTTP status errors such as 400, 401, 403, 404 or 500
• Testing an existing API integration
I will investigate the issue, identify the root cause, implement the required fix or integration, and test the affected functionality.
This offer covers ONE small API issue, ONE simple endpoint integration, or a similarly scoped task in an existing application.
Complex multi-endpoint integrations, complete API development, large authentication implementations, payment systems, major architectural changes or multiple unrelated issues are not included and can be quoted separately.
Please contact me before purchasing if you are unsure whether your API task fits within this offer.
Delivery is within 24 hours after receiving the necessary documentation, source code, credentials and access.
What the Freelancer needs to start the work
To get started, please provide:
• A clear description of the API issue or integration required
• API documentation or Swagger/OpenAPI link if available
• The endpoint(s) involved
• Expected request and response examples
• Relevant error messages, logs or screenshots
• Source code or repository access to the affected application
• Temporary server or application access if required
• Test/sandbox API credentials when authentication is required
Please do not send production secrets unless absolutely necessary. Test or temporary credentials are preferred whenever available.
If the API has a sandbox or test environment, please provide access to it.