API and webhooks
Authentication, delivery receipts, retries and signatures.
Webhooks: delivery receipts, retries and signature checksReceive delivery and reply events reliably, verify that they came from Telnxo and design for retries, duplicates and out-of-order delivery.25 Sep 2026 · 5 min readRead guide →Create, scope and rotate API keysUse one key per application, store keys safely, rotate them without downtime and respond quickly if one leaks.10 Sep 2026 · 6 min readRead guide →
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