Twilio

Twilio SafeList API

The SafeList API from Twilio — 5 operation(s) for safelist.

Documentation GitHub OpenAPI

Operations 9

Each operation below carries the questions people ask an LLM about it and the instructions they give an agent to run it. Generated by API Evangelist overlay

POST /v1/SafeList/Numbers Add a phone number to SafeList (v1 endpoint) · Create safelist #

Ask an LLM

“Is the v1 SafeList endpoint still usable for adding a number?”

“With the v1 API, what do I send to safelist one of my phone numbers?”

Tell an agent

Using the v1 endpoint, add {phone_number} to SafeList.

Safelist number {phone_number} through the v1 SafeList API.

GET /v1/SafeList/Numbers Check a number on SafeList (v1 endpoint) · Fetch safelist #

Ask an LLM

“On the v1 SafeList endpoint, where the number goes in the query string, is a phone number safelisted?”

“Can the older v1 SafeList API tell me whether a number is protected from fraud blocking?”

Tell an agent

Using the v1 endpoint, check whether {phone_number} is on SafeList by passing it as a query parameter.

Query v1 SafeList for number {phone_number}.

DELETE /v1/SafeList/Numbers Remove a phone number from SafeList (v1 endpoint) · Delete safelist #

Ask an LLM

“On the v1 SafeList endpoint, how do I remove a number passed as a query parameter?”

“Can the older v1 SafeList API take a number back off the list?”

Tell an agent destructive · confirm first

Using the v1 endpoint, remove {phone_number} from SafeList by passing it as a query parameter.

Delete number {phone_number} from the v1 SafeList.

POST /SafeList/Numbers Safelist a number (legacy unversioned endpoint) · Twilio Add a Number to the Safelist #

Ask an LLM

“On the older unversioned path, how do I add a verified caller ID to the account safelist?”

“Can the legacy safelist endpoint still accept new numbers?”

Tell an agent

Via the legacy unversioned endpoint, add {phone_number} to the account safelist.

Using the older safelist path, safelist verified caller ID {phone_number}.

GET /SafeList/Numbers/{PhoneNumber} Check a safelisted number (legacy endpoint) · Twilio Check if a Number is Safelisted #

Ask an LLM

“Through the older unversioned path, is a number on the safelist?”

“Can the legacy endpoint tell me whether a caller ID is safelisted?”

Tell an agent

Via the legacy unversioned endpoint, check whether {phone_number} is safelisted.

Using the older safelist path, look up {phone_number}.

DELETE /SafeList/Numbers/{PhoneNumber} Unsafelist a number (legacy unversioned endpoint) · Twilio Remove a Number from the Safelist #

Ask an LLM

“Through the older unversioned path, how do I remove a number from the safelist?”

“Can the legacy safelist endpoint delete an entry?”

Tell an agent destructive · confirm first

Via the legacy unversioned endpoint, remove {phone_number} from the safelist.

Using the older safelist path, delete safelisted number {phone_number}.

POST /v2/SafeList/Numbers Add a phone number to SafeList · Create safelist #

Ask an LLM

“How do I protect one of my own numbers from being blocked by fraud guard?”

“Can I add a phone number to SafeList through the v2 endpoint?”

Tell an agent

Add {phone_number} to SafeList using the v2 endpoint.

Put phone number {phone_number} on the v2 SafeList so it is never blocked.

GET /v2/SafeList/Numbers/{PhoneNumber} Check whether a number is on SafeList · Fetch safelist #

Ask an LLM

“Is a given phone number already on my v2 SafeList?”

“Can I confirm a number was safelisted before sending verification to it?”

Tell an agent

Check whether {phone_number} is on the v2 SafeList.

Look up {phone_number} in SafeList with the v2 endpoint.

DELETE /v2/SafeList/Numbers/{PhoneNumber} Remove a phone number from SafeList · Delete safelist #

Ask an LLM

“How do I take a number off SafeList with the v2 API?”

“What if a safelisted number should be subject to fraud checks again?”

Tell an agent destructive · confirm first

Remove {phone_number} from SafeList using the v2 endpoint.

Take phone number {phone_number} off the v2 SafeList.

Work with this as data

Every API here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for apis

7 MCP tools reach this

find_apisBrowse and filter every API in the catalog.
get_api_artifactsOne API's artifacts, grouped by type.
get_openapiThe primary OpenAPI for this API.
find_similar_apisAPIs that look like this one.
apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
resolveTurn a domain, URL or GitHub org into the provider it belongs to.
find_cohortsEvery scored population of providers in the catalog.

All 92 tools →

Call it yourself

curl for this page

This API

curl "https://apis.io/api/v1/apis/twilio-safelist-api"

All apis

curl "https://apis.io/api/v1/apis?limit=25"

Discovery needs no key. Ratings and market analysis are Pro.

Get an API key

Free tier, no form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.

GitHub Google LinkedIn

A second provider on the same verified email joins the account you already have.

OpenAPI Specification

openapi: 3.2.0
info:
  title: Twilio Safe List API
  contact:
    name: Twilio Support
    url: https://support.twilio.com
    email: support@twilio.com
  license:
    name: Apache 2.0
    url: https://www.apache.org/licenses/LICENSE-2.0.html
  termsOfService: https://www.twilio.com/legal/tos
  version: '1.0'
  description: 'Operations tagged SafeList across 3 of this provider''s published API definitions: accounts-openapi-original.yml, twilio-accounts-openapi.yml, verify-openapi-original.yml. Each path carries the servers of the definition it was published in.'
servers:
- url: https://accounts.twilio.com
- url: https://api.twilio.com/2010-04-01
  description: Twilio REST API v1
- url: https://accounts.twilio.com/v1
  description: Twilio Accounts API v1
- url: https://verify.twilio.com
tags:
- name: SafeList
paths:
  /v1/SafeList/Numbers:
    servers:
    - url: https://accounts.twilio.com
    description: 'TODO: Resource-level docs'
    x-twilio:
      defaultOutputProperties:
      - sid
      - phone_number
      pathType: list
      mountName: safelist
    post:
      description: Add a new phone number to SafeList.
      tags:
      - SafeList
      responses:
        '201':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/accounts.v1.safelist'
          description: Created
      security:
      - accountSid_authToken: []
      operationId: CreateSafelist
      x-maturity:
      - Beta
      requestBody:
        content:
          application/x-www-form-urlencoded:
            schema:
              $ref: '#/components/schemas/CreateSafelistRequest'
      summary: Create safelist
      x-summary-source: derived
    get:
      description: Check if a phone number exists in SafeList.
      tags:
      - SafeList
      parameters:
      - name: PhoneNumber
        in: query
        description: The phone number to be fetched from SafeList. Phone numbers must be in [E.164 format](https://www.twilio.com/docs/glossary/what-e164).
        schema:
          type: string
        x-twilio:
          pii:
            handling: standard
            deleteSla: 0
      responses:
        '200':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/accounts.v1.safelist'
          description: OK
      security:
      - accountSid_authToken: []
      operationId: FetchSafelist
      x-maturity:
      - Beta
      summary: Fetch safelist
      x-summary-source: derived
    delete:
      description: Remove a phone number from SafeList.
      tags:
      - SafeList
      parameters:
      - name: PhoneNumber
        in: query
        description: The phone number to be removed from SafeList. Phone numbers must be in [E.164 format](https://www.twilio.com/docs/glossary/what-e164).
        schema:
          type: string
        x-twilio:
          pii:
            handling: standard
            deleteSla: 0
      responses:
        '204':
          description: The resource was deleted successfully.
      security:
      - accountSid_authToken: []
      operationId: DeleteSafelist
      x-maturity:
      - Beta
      summary: Delete safelist
      x-summary-source: derived
  /SafeList/Numbers:
    post:
      operationId: createSafelistNumber
      summary: Twilio Add a Number to the Safelist
      description: Add a phone number to the account safelist for verified caller IDs.
      tags:
      - SafeList
      requestBody:
        required: true
        content:
          application/x-www-form-urlencoded:
            schema:
              type: object
              required:
              - PhoneNumber
              properties:
                PhoneNumber:
                  type: string
                  description: Phone number in E.164 format
      responses:
        '201':
          description: Number added to safelist
      security:
      - accountSid_authToken: []
    servers:
    - url: https://api.twilio.com/2010-04-01
      description: Twilio REST API v1
    - url: https://accounts.twilio.com/v1
      description: Twilio Accounts API v1
  /SafeList/Numbers/{PhoneNumber}:
    get:
      operationId: fetchSafelistNumber
      summary: Twilio Check if a Number is Safelisted
      tags:
      - SafeList
      parameters:
      - name: PhoneNumber
        in: path
        required: true
        schema:
          type: string
      responses:
        '200':
          description: Number is safelisted
        '404':
          description: Number not found in safelist
      security:
      - accountSid_authToken: []
    delete:
      operationId: deleteSafelistNumber
      summary: Twilio Remove a Number from the Safelist
      tags:
      - SafeList
      parameters:
      - name: PhoneNumber
        in: path
        required: true
        schema:
          type: string
      responses:
        '204':
          description: Number removed from safelist
      security:
      - accountSid_authToken: []
    servers:
    - url: https://api.twilio.com/2010-04-01
      description: Twilio REST API v1
    - url: https://accounts.twilio.com/v1
      description: Twilio Accounts API v1
  /v2/SafeList/Numbers:
    servers:
    - url: https://verify.twilio.com
    description: 'TODO: Resource-level docs'
    x-twilio:
      defaultOutputProperties:
      - sid
      - phone_number
      pathType: list
      mountName: safelist
    post:
      description: Add a new phone number to SafeList.
      tags:
      - SafeList
      responses:
        '201':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/verify.v2.safelist'
          description: Created
      security:
      - accountSid_authToken: []
      operationId: CreateSafelist
      x-maturity:
      - Beta
      requestBody:
        content:
          application/x-www-form-urlencoded:
            schema:
              $ref: '#/components/schemas/CreateSafelistRequest'
      summary: Create safelist
      x-summary-source: derived
  /v2/SafeList/Numbers/{PhoneNumber}:
    servers:
    - url: https://verify.twilio.com
    description: 'TODO: Resource-level docs'
    x-twilio:
      defaultOutputProperties:
      - sid
      - phone_number
      pathType: instance
      mountName: safelist
    get:
      description: Check if a phone number exists in SafeList.
      tags:
      - SafeList
      parameters:
      - name: PhoneNumber
        in: path
        description: The phone number to be fetched from SafeList. Phone numbers must be in [E.164 format](https://www.twilio.com/docs/glossary/what-e164).
        schema:
          type: string
        x-twilio:
          pii:
            handling: standard
            deleteSla: 0
        required: true
      responses:
        '200':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/verify.v2.safelist'
          description: OK
      security:
      - accountSid_authToken: []
      operationId: FetchSafelist
      x-maturity:
      - Beta
      summary: Fetch safelist
      x-summary-source: derived
    delete:
      description: Remove a phone number from SafeList.
      tags:
      - SafeList
      parameters:
      - name: PhoneNumber
        in: path
        description: The phone number to be removed from SafeList. Phone numbers must be in [E.164 format](https://www.twilio.com/docs/glossary/what-e164).
        schema:
          type: string
        x-twilio:
          pii:
            handling: standard
            deleteSla: 0
        required: true
      responses:
        '204':
          description: The resource was deleted successfully.
      security:
      - accountSid_authToken: []
      operationId: DeleteSafelist
      x-maturity:
      - Beta
      summary: Delete safelist
      x-summary-source: derived
components:
  schemas:
    CreateSafelistRequest:
      type: object
      required:
      - PhoneNumber
      properties:
        PhoneNumber:
          type: string
          description: The phone number to be added in SafeList. Phone numbers must be in [E.164 format](https://www.twilio.com/docs/glossary/what-e164).
    accounts.v1.safelist:
      type: object
      properties:
        sid:
          type:
          - string
          - 'null'
          minLength: 34
          maxLength: 34
          pattern: ^GN[0-9a-fA-F]{32}$
          description: The unique string that we created to identify the SafeList resource.
        phone_number:
          type:
          - string
          - 'null'
          description: The phone number in SafeList.
          x-twilio:
            pii:
              handling: standard
              deleteSla: 0
    verify.v2.safelist:
      type: object
      properties:
        sid:
          type:
          - string
          - 'null'
          minLength: 34
          maxLength: 34
          pattern: ^GN[0-9a-fA-F]{32}$
          description: The unique string that we created to identify the SafeList resource.
        phone_number:
          type:
          - string
          - 'null'
          description: The phone number in SafeList.
          x-twilio:
            pii:
              handling: standard
              deleteSla: 0
        url:
          type:
          - string
          - 'null'
          format: uri
          description: The absolute URL of the SafeList resource.
  securitySchemes:
    accountSid_authToken:
      type: http
      scheme: basic
externalDocs:
  description: Twilio Accounts API Documentation
  url: https://www.twilio.com/docs/iam/api/account
x-refined-from:
- accounts-openapi-original.yml
- twilio-accounts-openapi.yml
- verify-openapi-original.yml
x-maturity:
- name: GA
  description: This product is Generally Available.
- name: Beta
  description: PLEASE NOTE that this is a Beta product that is subject to change. Use it with caution.

Twilio SafeList API

Operations 9

Documentation

Specifications

Other Resources

Work with this as data

MCP server

Tools for apis

Call it yourself

Get an API key

OpenAPI Specification