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v1.0.0: initial release

Released 2026-10-09
  • API v1 at https://api.sendflit.com/v1: sending (single and batch), scheduled sending and cancellation, email status, domains with DKIM, SPF and DMARC verification, API keys with full, sending, and read scopes, webhooks, and usage.
  • Idempotency keys on send and batch requests. Reusing a key with a different body returns 409.
  • Webhook signing with HMAC-SHA256 in X-Sendflit-Signature.
  • SDKs: Node.js, Python, Go, Ruby, PHP, Java, .NET, and React email components. The Node.js and Python SDKs support idempotency keys.
  • Health check at GET /health.
Package registry publication is in progress. Check the SDK overview for the current install status of each package.