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The Verified Caller ID API lets you authenticate phone numbers before using them as caller ID for outbound calls. This is required when using numbers you don’t own through Plivo.

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API Endpoint

https://api.plivo.com/v1/Account/{auth_id}/VerifiedCallerId/

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The Verified Caller ID Object

AttributeTypeDescription
phone_numberstringVerified phone number in E.164 format
aliasstringFriendly name for the caller ID
countrystringCountry code (e.g., US)
verification_uuidstringUnique identifier for verification
created_atstringWhen the verification was created

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Example Response

{
    "api_id": "870e2ded-58b0-41bc-8c1c-ba00c6a90741",
    "phone_number": "+12025551234",
    "alias": "US Mainland",
    "country": "US",
    "verification_uuid": "f87836bd-f3c0-41bb-9498-125e6faaa4d4",
    "created_at": "2024-02-09T03:52:22.880097813Z"
}

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Initiate Verification

Start the verification process for a phone number. An OTP will be sent via SMS or voice call. 
POST https://api.plivo.com/v1/Account/{auth_id}/VerifiedCallerId/

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Parameters

ParameterTypeRequiredDescription
phone_numberstringYesPhone number in E.164 format
aliasstringNoFriendly name for the caller ID
channelstringNoOTP delivery method: sms or call. Default: sms
subaccountstringNoSubaccount Auth ID to associate
import plivo

client = plivo.RestClient('<auth_id>', '<auth_token>')

response = client.verify_callerids.initiate_verify(
    phone_number='+12025551234',
    alias='Main Office',
    channel='sms'
)
print(response)

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Response

{
    "api_id": "654a7ca7-b9cc-4285-86f7-cf581f50409f",
    "message": "Verification code is sent to number +12025551234 which is valid for 15 minutes",
    "verification_uuid": "f87836bd-f3c0-41bb-9498-125e6faaa4d4"
}

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Complete Verification

Submit the OTP received to complete verification. 
POST https://api.plivo.com/v1/Account/{auth_id}/VerifiedCallerId/Verification/{verification_uuid}/

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Parameters

ParameterTypeRequiredDescription
otpstringYesThe verification code received
response = client.verify_callerids.verify_caller_id(
    verification_uuid='f87836bd-f3c0-41bb-9498-125e6faaa4d4',
    otp='123456'
)

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Retrieve a Verified Caller ID

Get details of a specific verified caller ID. 
GET https://api.plivo.com/v1/Account/{auth_id}/VerifiedCallerId/{phone_number}/

response = client.verify_callerids.get_verified_caller_id('+12025551234')

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List All Verified Caller IDs

Get all verified caller IDs for your account. 
GET https://api.plivo.com/v1/Account/{auth_id}/VerifiedCallerId/

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Query Parameters

ParameterTypeDescription
limitintegerResults per page (max 20)
offsetintegerPagination offset
countrystringFilter by country code
subaccountstringFilter by subaccount
response = client.verify_callerids.list_verified_caller_id(
    limit=10,
    country='US'
)

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Update a Verified Caller ID

Update the alias or subaccount of a verified caller ID. 
POST https://api.plivo.com/v1/Account/{auth_id}/VerifiedCallerId/{phone_number}/

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Parameters

ParameterTypeDescription
aliasstringNew alias name
subaccountstringNew subaccount Auth ID
response = client.verify_callerids.update_verified_caller_id(
    '+12025551234',
    alias='New Name'
)

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Delete a Verified Caller ID

Remove a verified caller ID from your account. 
DELETE https://api.plivo.com/v1/Account/{auth_id}/VerifiedCallerId/{phone_number}/

client.verify_callerids.delete_verified_caller_id('+12025551234')
Response: HTTP 204 No Content

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Verification Flow

  1. Initiate - Call the initiate endpoint with the phone number
  2. Receive OTP - OTP is sent via SMS or voice call (valid for 15 minutes)
  3. Verify - Submit the OTP to complete verification
  4. Use - The number can now be used as caller ID

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Use Cases

ScenarioDescription
Personal NumbersUse your mobile number as caller ID
Business LinesVerify existing business phone numbers
InternationalUse local numbers in different countries
SubaccountsAssign verified IDs to specific subaccounts