Python Flask App Uses Telnyx AI to Redact PII from Call Recordings

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A developer has released an open-source Flask application that automatically removes personally identifiable information from call transcripts and audio recordings using Telnyx AI. The app supports two workflows: processing an existing text transcript or uploading an audio file, which is first transcribed using distil-whisper before PII redaction is applied. Sensitive data such as names, credit card numbers, SSNs, phone numbers, and addresses are replaced with standardized placeholders. Rather than returning plain rewritten text, the app outputs structured JSON that includes a sanitized transcript alongside a detailed redaction map, making it suitable for audit purposes. The project is intended as a starter template, with the author noting that production deployments would benefit from added features like persistent storage, authentication, and audio masking.

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