> ## Documentation Index
> Fetch the complete documentation index at: https://docs.telli.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Get Contact by External ID

> Retrieves detailed contact information including current call status and history using external contact id as an identifier

<Warning>
  This endpoint is deprecated. Use [Get Contact by External ID](/v2/endpoint/get-contact-by-external-id) instead. See the [Migration Guide](/v2-migration-guide) for details.
</Warning>


## OpenAPI

````yaml openapi.json GET /v1/get-contact-by-external-id/{external_contact_id}
openapi: 3.0.3
info:
  title: telli API
  version: 1.0.0
  description: API documentation for telli's V1 endpoints
servers:
  - url: https://api.telli.com
security:
  - apiKey: []
paths:
  /v1/get-contact-by-external-id/{external_contact_id}:
    get:
      summary: Get Contact by External ID
      description: >-
        Retrieves detailed contact information including current call status and
        history using external contact id as an identifier
      parameters:
        - name: external_contact_id
          in: path
          required: true
          schema:
            type: string
            format: uuid
          description: The telli contact ID
      responses:
        '200':
          description: Contact details retrieved successfully
          content:
            application/json:
              schema:
                type: object
                properties:
                  contact_id:
                    type: string
                    format: uuid
                    description: The telli contact ID
                  external_contact_id:
                    type: string
                    description: Your unique internal identifier for the contact
                  external_url:
                    type: string
                    format: uri
                    description: >-
                      External URL linking to the contact in your CRM or
                      external system
                  created_at:
                    type: string
                    format: date-time
                    description: When the contact was created
                  in_call_since:
                    type: string
                    format: date-time
                    description: >-
                      Timestamp of when current call started, null if not in
                      call
                  reached_at:
                    type: string
                    format: date-time
                    description: When the contact was last successfully reached
                  call_attempts:
                    type: integer
                    description: Number of call attempts made to this contact
                  next_call_at:
                    type: string
                    format: date-time
                    description: When the next call is scheduled, null if no call scheduled
components:
  securitySchemes:
    apiKey:
      type: apiKey
      in: header
      name: Authorization
      description: 'API key must be provided as: Bearer <api_key>'
      x-bearer-format: Bearer

````