Applying HTTP timeouts and limited retries to an API client An outbound API request should have a bounded wait and a retry policy appropriate to the operation. A network timeout does not prove the remote service…

Authenticating an application webhook securely A webhook endpoint receives requests from outside your application. Verify the sender using the provider’s documented authentication method before…

Choosing safe pagination for large API synchronizations Large API collections should be read in pages with a durable progress strategy. Data can change during the sync, so a simple page number loop may miss…

Handling API rate limits in a scheduled integration A scheduled integration should stay within the provider’s allowed request rate and recover calmly when it is limited. Increasing the cron frequency can…

Handling webhook retries without duplicate actions A provider may deliver the same event again after an uncertain response or an intentional redelivery. Design processing so a repeated delivery does not…

Keeping API tokens out of browser history and logs Tokens can leak through URLs, diagnostic output and copied request examples. Use the API’s supported authorization mechanism and redact credentials when…

Recording useful API error details without secrets A useful API error record identifies the failed operation and its context without copying reusable credentials or unnecessary customer data into logs.…

Responding quickly while processing webhooks in a queue Slow webhook processing can make a provider retry a request even while the first attempt is still working. A durable queue allows a prompt…

Testing an API integration in a separate environment An integration test environment should exercise real request handling without creating unintended production actions. Use provider test modes and…

Troubleshooting a webhook signature mismatch A signature mismatch means the received message did not verify under the supplied secret and protocol. Investigate body handling and endpoint…

Troubleshooting browser CORS errors for an API CORS is a browser-enforced rule for reading responses across origins. It is separate from DNS, TLS and the API’s authentication and authorization…

Validating API input before using it in a database API input needs structural validation and an authorization check for the requested resource. Correct JSON syntax alone does not make a request safe or…