---
title: "Look up connector by phone number"
method: POST
path: "/v1/agents/{agentId}/telephony/connectors/lookup"
tags: ["Connectors"]
---

# Look up connector by phone number

`POST /v1/agents/{agentId}/telephony/connectors/lookup`

## Request body

- LookupConnectorBody — Lookup payload for finding the connector that serves a given E.164 phone number.
  - `phoneNumber` string, required — Phone number to look up (E.164 format)

## Response `200`

Successful response

- ConnectorResponse — A connector: the voice, language, variant, and environment bundle that handles incoming calls. Multiple phone numbers can share one connector.
  - `connectorId` string, required — Unique connector identifier
  - `name` string, required — Connector display name
  - `accountId` string, required — Account this connector belongs to
  - `projectId` string, required — Project this connector belongs to
  - `clientEnv` string, required — Client environment (sandbox, pre-release, live)
  - `variantId` string, required — Assigned variant ID (empty string if unassigned)
  - `asrLangCode` string, required — ASR language code (e.g. en-US)
  - `ttsLangCode` string, required — TTS language code (e.g. en-US)
  - `voiceName` string, required — Google TTS voice name (e.g. en-US-Neural2-A)
  - `disableHandoff` boolean, required — Whether call handoff is disabled

## Other responses

- `400` — Validation error
- `401` — Unauthorized – missing or invalid API key
- `403` — Forbidden – insufficient permissions

---

[API](https://skmtc.net/poly/apis/polyai-agents-api.md) · [All operations](https://skmtc.net/poly/apis/polyai-agents-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/poly/polyai-agents-api/revisions/76f3c606e395/schema)