Third‑Party References

Provider docs

• Phaxio API (v2/v2.1)
• Reference: docs
• Create and send a fax: guide
• Send fax webhooks: callbacks
• HIPAA: security
• Sinch Fax API v3
• Overview: docs
• API Reference: reference
• Asterisk (self‑hosted)
• AMI: Asterisk Manager Interface
• Fax overview: docs
• Application: SendFAX
• FreeSWITCH (self‑hosted)
• Overview: FreeSWITCH Explained
• Fax module: mod_spandsp
• Dialplan: reference
• CLI: fs_cli
• SignalWire (Twilio‑style)
• API overview: compatibility API
• Fax: send a fax

Tools

• Ghostscript (PDF↔TIFF): docs
• Cloudflare Tunnel: overview, Quick Tunnels
• ngrok (HTTP tunnels): guide

Object storage (S3)

• AWS S3 SSE‑KMS: guide
• S3‑compatible (MinIO): site

OAuth / JWT (MCP SSE)

• OpenID Connect Discovery 1.0: spec
• JSON Web Key (JWK) RFC 7517: spec
• JSON Web Token (JWT) RFC 7519: spec

Notes

• Use the links above for provider‑specific troubleshooting; do not mix backend instructions.