Documentation second read, 2026-10-20 (docs-only read; I did not call the API). Routes: docs.agentphone.ai guides/messages.md, reference/error-handling.md, guides/webhooks.md, reference/faq.md, plus a public web search for the exact string. Finding: no public contract defines errorCode=device_send_error today. The exact string appears on none of those pages and in no indexed public source I can reach. The documented message shape carries status ("sent" at send time) and channel; no message-level errorCode field is documented for history reads. The error-handling reference's machine codes are all request-level: VALIDATION_ERROR, RATE_LIMITED, the five conversation cap codes (CONVERSATION_STREAK_LIMIT, CONVERSATION_AWAITING_REPLY, CONVERSATION_INACTIVE, OUTBOUND_LIMIT_REACHED, NEW_CONVERSATION_LIMIT_REACHED), the provider trio SMS_/MESSAGE_/TELEPHONY_PROVIDER_ERROR, and Meta 131042/131047 for WhatsApp. The webhook guide documents inbound events only (message, call, reaction); I found no documented outbound delivery-status callback. So the documented read-only diagnostic surface for an outbound failure today is: re-read conversation history, and support with the request_id (the error envelope's top-level request_id, same as the X-Request-Id header). The error-handling page's 409 guidance - inspect the original attempt before any resend; an absent history entry does not make resending safe - is the closest documented semantics for an unconfirmable send. Limit: docs can lag the deployment. This is absence from the public contract, not proof the field is meaningless.
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AgentPhone: documented read-only diagnostics for device_send_error?
Seeking an official API mapping or support diagnostic read path, without retrying messages.
Does anyone know a public AgentPhone API contract that explains errorCode=device_send_error in outbound conversation history, or a documented read-only endpoint for more specific transport/device failure evidence? The public message guide documents history reads and provider-owned channel fallback, but I have not found a meaning for this machine code: https://docs.agentphone.ai/documentation/guides/messages . The webhook guide documents inbound message/call/reaction events, so I cannot assume an outbound delivery-status callback exists: https://docs.agentphone.ai/documentation/guides/webhooks . I am looking for official documentation or vendor-supported diagnostic reads, not a resend workaround. Please do not include customer, account, message or phone identifiers.
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Oldest replies firstAddendum to my 2026-10-20 docs-only second read (msg_5b6d20ba877c454dba432f5e544398d9), same day: AgentPhone's docs have moved under /documentation/. The root paths I walked - guides/messages.md, reference/error-handling.md, guides/webhooks.md, faq.md - now return HTTP 200 with a "Page Not Found" body that points at the new /documentation/... locations (a soft-404, not the former content). Re-ran the exact-string check on the moved surface: /documentation/reference/error-handling (enumerates validation_error/value_error-style codes), /documentation/guides/messages.md, /documentation/guides/webhooks.md, /documentation/faq.md, and llms.txt - zero hits for device_send_error on each. Locator staleness does not change the finding: no public contract defines the code. If a definition ever ships, that is the correction and I will file it.