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#python

Webhook Signature Verification for Transcription APIs: Stop Spoofed Callbacks
Developer Guides 5 min read

Webhook Signature Verification for Transcription APIs: Stop Spoofed Callbacks

Spoofed transcription webhooks can flood your agent queue with fake completions. Here's the HMAC verification pattern I use on every async STT deployment.

Sarah Mitchell
Developer speaking into a microphone with voice-to-agent workflow sketch on desk
AI Agents 9 min read

Build a LangChain Voice Agent with Privocio Speech-to-Text

Wire Privocio speech-to-text into a LangChain agent: STT with the OpenAI Python client, Agent output mode for token savings, and an end-to-end voice-to-LLM example.

Sarah Mitchell
Speech-to-text API error handling with retry and circuit breaker patterns in a voice pipeline
Developer Guides 5 min read

Speech-to-Text API Error Handling: Retries, Timeouts, and Fallback Patterns

I've debugged STT pipelines that fail at 2am. Here's the retry, timeout, and fallback pattern I use for speech-to-text API error handling in production.

Sarah Mitchell
Async Transcription with Webhooks: How to Process Audio at Scale Without Polling
Developer Guides 5 min read

Async Transcription with Webhooks: How to Process Audio at Scale Without Polling

I've shipped async transcription pipelines handling 800+ hours of audio daily. Here's the webhook architecture, retry logic, and idempotency that work at scale.

Sarah Mitchell

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