API Playground
Try send, auth, and inspect responses without leaving the browser.
- API PlaygroundSend test requests with your suite session.Open →
- Send Email PlaygroundCompose a test send payload visually.Open →
- Auth Header BuilderBuild Authorization headers safely.Open →
- Request cURL ExporterTurn a playground call into cURL.Open →
- Response InspectorPretty-print API JSON responses.Open →
- Idempotency Key GeneratorGenerate unique idempotency keys.Open →
- Batch Payload BuilderAssemble multi-recipient batch JSON.Open →
- Error Code ExplorerLook up API error codes and fixes.Open →
- Rate Limit CalculatorEstimate safe request rates.Open →
- OpenAPI Snippet ViewerBrowse example request snippets.Open →