Debug, test, and validate your integrations without writing throw-away scripts. The Developer Tools category provides APIs for the tasks that come up during every integration project: intercepting webhooks and running load tests.
Use the webhook inspector to capture live payloads from Stripe, GitHub, or any provider, verify signatures, and replay events while debugging. When your integration is ready, use the rate tester to benchmark it under realistic load with percentile latency metrics.
Capture, inspect, and replay inbound webhooks from any provider. Set up named profiles for Stripe, GitHub, Slack, and others. Each delivery is recorded with full headers, body, and timestamp for later analysis.
Built-in signature verification confirms payload authenticity against provider-specific algorithms. Replay any captured delivery to re-trigger your handler without asking the provider to re-send the event.
Run controlled HTTP load tests against any endpoint. Configure the target URL, HTTP method, requests-per-second rate, and test duration. Results include total requests, success/error counts, and latency percentiles (avg, p95, p99).
Use the scenario builder for multi-step workflows, and review past executions in the history log. Ideal for validating auto-scaling behaviour, rate limiter configs, or establishing performance baselines before a release.