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Twilio

Cloud communications platform providing APIs for SMS, voice, video, and authentication services. Twilio offers 30+ APIs covering messaging, voice, video, email, identity verification, IoT connectivity, and contact center solutions. Used by over 10 million developers globally with SDKs for Node.js, Python, Ruby, Java, PHP, C#, and Go.

35 APIs 16 Features
AuthenticationCommunicationsContact CenterEmailIoTMessagingPhoneSMST1VerificationVideoVoice

APIs

Twilio Accounts API

The Twilio Accounts API enables developers to programmatically manage their Twilio accounts, allowing them to create and configure subaccounts, retrieve account information, and...

Twilio Assistant API

The Twilio Assistant API is designed to help businesses create conversational AI interfaces that enable customers to interact with applications through natural language. The API...

Twilio Autopilot API

Twilio Autopilot API is a conversational AI platform that allows developers to build automated messaging, voice, and chatbot interactions. It provides tools and pre-built compon...

Twilio Bulk Exports API

The BulkExport API allows users to easily retrieve all activity logs from the Twilio platform in a streamlined manner. Users can choose to download logs either on a recurring ba...

Twilio Content API

The Content API allows programmatic creation and management of Content Templates. The Content Template Builder also has a Console UI product with an easy-to-use graphical user i...

Twilio Conversations API

Twilio Conversations is an omni-channel messaging platform that allows you to build engaging conversational messaging experiences across many channels. Find the documentation, s...

Twilio Events API

Twilio Events API is a tool designed to provide insights and data on the events happening within an organization's communication infrastructure. By monitoring and capturing real...

Twilio Frontline API

Twilio Frontline API is a powerful tool that allows businesses to communicate with their customers using a variety of different messaging platforms such as SMS, chat, and even s...

Twilio Insights API

Voice Insights provides call quality analytics and aggregation tools for investigating Twilio calls and conferences. Sensors in the Twilio Voice SDKs and on Twilio media gateway...

Twilio Intelligence API

Voice Intelligence API empowers you to analyze and extract actionable business intelligence from the conversations that take place every day between your customers and your agents.

Twilio IP Messaging API

The Twilio IP Messaging API is a communication platform that allows developers to easily integrate real-time chat functionality into their applications. With this API, users can...

Twilio Marketplace API

Add-ons are available through the Twilio Marketplace. At a functional level, Add-ons package a publisher's APIs and annotate the content that Twilio provides by tapping into the...

Twilio Media API

Twilio Media API is a comprehensive multimedia platform that enables developers to easily incorporate various forms of media, such as images, videos, and audio, into their appli...

Twilio Messaging API

Twilio Messaging API is a powerful tool that allows developers to easily integrate text messaging functionality into their applications. With this API, developers can send and r...

Twilio Microvisor API

Twilio Microvisor API is a powerful tool that allows developers to create and manage isolated microservice environments within their applications. This API enables developers to...

Twilio Monitor API

Twilio Monitor API is a powerful tool that allows developers to monitor and analyze the performance and security of their Twilio applications in real-time. With the Monitor API,...

Twilio Notify API

Twilio Notify API is a powerful tool that allows developers to send notifications to multiple recipients across various communication channels. With this API, users can customiz...

Twilio Numbers API

Twilio Numbers API is a cloud-based service that allows developers to programmatically provision and manage phone numbers for communication channels like voice, SMS, and MMS. Wi...

Twilio Pricing API

The Twilio Pricing API is a service provided by Twilio that allows users to query and access pricing information for various communication services offered by the company. This ...

Twilio Proxy API

Twilio Proxy API is a communication platform that enables businesses to build secure and scalable customer interactions. With this API, companies can create virtual phone number...

Twilio Routes API

The Twilio Routes API is a powerful tool that allows developers to customize and manage how their Twilio traffic is routed and handled. This API provides a flexible and robust s...

Twilio Serverless API

Twilio Serverless API is a platform that allows developers to build and deploy software applications without having to manage infrastructure. With Twilio Serverless API, develop...

Twilio Studio API

Twilio Studio API is a powerful tool that enables developers to easily build and automate customer interactions using a visual drag-and-drop interface. With Studio, users can cr...

Twilio Super SIM API

The Twilio Super SIM API is a powerful tool that enables developers to easily provision and manage SIM cards for cellular devices. With this API, developers can programmatically...

Twilio Sync API

Twilio Sync API is a real-time data synchronization service that allows developers to easily build and maintain collaborative applications. By providing a secure and reliable wa...

Twilio Task Router API

Sure! Twilio Task Router API is a powerful tool that helps companies efficiently distribute and manage tasks among their workforce. This API enables businesses to create customi...

Twilio Elastic SIP Trunking API

Twilio Elastic SIP Trunking API is a powerful tool that allows businesses to easily connect to the global network of Voice over Internet Protocol (VoIP) providers. With this API...

Twilio Trust Hub API

Twilio Trust Hub API is a powerful tool that allows businesses to build trust with their users by providing a secure and reliable communication platform. This API enables compan...

Twilio Verify API

Twilio Verify API is a powerful tool that enables developers to integrate phone verification capabilities into their applications with ease. By leveraging the API, developers ca...

Twilio Video API

Twilio Video API is a powerful tool that enables developers to integrate high-quality video calling and conferencing capabilities into their applications. With this API, users c...

Twilio Voice API

Twilio Voice API is a communication service that allows developers to easily integrate voice calling functionality into their applications. With the Twilio Voice API, developers...

Twilio Wireless API

The Twilio Wireless API allows developers to easily integrate cellular connectivity into their applications. With this API, developers can provision and manage SIM cards, monito...

Twilio Lookup API

The Twilio Lookup API allows developers to query information about phone numbers to enable trusted interactions with users. It provides phone number validation, formatting, line...

Twilio Flex API

Twilio Flex is a programmable digital engagement center that provides a single interface for omnichannel customer communication, combining email, VoIP phone, SMS, WhatsApp, Face...

Twilio SendGrid Email API

Twilio SendGrid Email API enables businesses to create, send, and manage emails at scale through RESTful APIs or SMTP relay. Trusted by top brands to deliver over 190 billion em...

Collections

Twilio - Events

POSTMAN

Twilio - Media

POSTMAN

Twilio - Notify

POSTMAN

Twilio - Proxy

POSTMAN

Twilio - Routes

POSTMAN

Twilio - Studio

POSTMAN

Twilio - Sync

POSTMAN

Twilio Flex API

POSTMAN

Twilio - Verify

POSTMAN

Twilio - Video

POSTMAN

Twilio - Voice

POSTMAN

Arazzo Workflows

Twilio Find an In-Progress Conference and Add a Participant

List in-progress conferences, fetch a matching one by SID, then dial a new participant into it.

ARAZZO

Twilio Reply to a Conversation and Track Delivery Receipts

Confirm a conversation exists, post a reply message, then list the per-channel delivery receipts.

ARAZZO

Twilio Create a Call Queue and Confirm It

Create a voice call queue with a size limit, then fetch it back to confirm its configuration.

ARAZZO

Twilio Create a Conversation, Add a Participant, and Send a Message

Stand up a Conversations thread, attach an SMS participant by address, and post the first message.

ARAZZO

Twilio Create a Conversation and Attach a Scoped Webhook

Create a Conversations thread, then attach a conversation-scoped webhook that targets your service.

ARAZZO

Twilio Inspect a Call and Hang It Up If Live

Fetch a call by SID and, when it is still in progress, update it to completed to end the call.

ARAZZO

Twilio Validate a Number then Send a Message

Look up a phone number for validity and line type, then send an SMS only when the number is valid.

ARAZZO

Twilio Validate a Number then Start a Verification

Look up a phone number, and only when it is a valid mobile number start a Verify verification.

ARAZZO

Twilio Make a Call and Track Its Status

Place an outbound call with a TwiML URL, then fetch the call resource to follow its progress.

ARAZZO

Twilio Provision a Messaging Service and Attach a Sender Number

Create a messaging service, attach a phone number to its sender pool, then fetch the service back.

ARAZZO

Twilio Place a Call and Record It

Start an outbound call, begin recording the in-progress call, then fetch the recording resource.

ARAZZO

Twilio Schedule a Message and Cancel It Before Send

Schedule a future message via a messaging service, then cancel it while it is still scheduled.

ARAZZO

Twilio Send a Message and Redact Its Body

Send an SMS, then redact the stored message body by updating it to an empty string for privacy.

ARAZZO

Twilio Send a Message and Track Delivery Status

Send an SMS/MMS and poll the message resource until it reaches a terminal delivery status.

ARAZZO

Twilio Send an MMS and List Its Media

Send an MMS with a media URL, fetch the message back, then list the media attached to it.

ARAZZO

Twilio Studio Create a Flow and Run an Execution

Publish a new Studio Flow from a definition, then trigger an execution of it for a contact.

ARAZZO

Twilio Studio Trigger a Flow Execution and Track Its Steps

Start a Studio Flow execution for a contact, fetch the execution, and list the steps it traversed.

ARAZZO

Twilio Verify Provision a Service and Run a Verification

Create a Verify service, start a verification on it, and check the supplied code.

ARAZZO

Twilio Verify Start and Check a Verification

Start a Verify verification over a channel, then check a user-supplied code against it.

ARAZZO

Twilio Verify Start, Poll, and Cancel a Verification

Start a verification, fetch it to read its status, and cancel it if it is still pending.

ARAZZO

GraphQL

Twilio GraphQL

Twilio exposes a GraphQL surface primarily through **Twilio Flex**, its programmable digital engagement center. The Flex UI ships a built-in Apollo-based GraphQL client that plu...

GRAPHQL

Pricing Plans

Twilio Plans Pricing

2 plans

PLANS

Rate Limits

Twilio Rate Limits

5 limits

RATE LIMITS

FinOps

Twilio Finops

FINOPS

Features

Programmable Messaging API for SMS, MMS, RCS, and WhatsApp
Programmable Voice API for inbound and outbound calls with TwiML
Verify API for OTP and silent network auth
Lookup API for phone number validation, line type, and carrier info
SendGrid Email API integration
Conversations API for cross-channel messaging
Twilio Flex programmable contact center
Studio visual workflow builder
TaskRouter for skills-based routing
Pay As You Go billing per segment / minute / message
Per-account concurrency limit of 100 REST API requests
A2P 10DLC throughput up to 75 MPS depending on brand/campaign trust
Toll-Free Verification for higher TPS allowances
Subaccounts for billing and access isolation
Usage Records API for FinOps reporting
Volume committed-use discounts via enterprise sales

Event Specifications

Twilio Real-Time WebSocket APIs

AsyncAPI 2.6 specification for Twilio's public WebSocket APIs: - **Media Streams** — Bidirectional and one-way raw audio over WebSocket. Twilio acts as the WebSocket *client* an...

ASYNCAPI

Semantic Vocabularies

Twilio Context

0 classes · 12 properties

JSON-LD

API Governance Rules

Twilio API Rules

12 rules · 2 errors 8 warnings

SPECTRAL

JSON Structure

Twilio Call Structure

0 properties

JSON STRUCTURE

Twilio Message Structure

0 properties

JSON STRUCTURE

Example Payloads

Twilio Make Call Example

4 fields

EXAMPLE

Twilio Send Message Example

4 fields

EXAMPLE

Visuals

View API subway map

Resources

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GraphQL
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Sources

Raw ↑
opencollection: 1.0.0
info:
  name: Twilio Voice API
  version: '2.0'
request:
  auth:
    type: basic
    username: '{{username}}'
    password: '{{password}}'
items:
- info:
    name: Calls
    type: folder
  items:
  - info:
      name: Twilio List Calls
      type: http
    http:
      method: GET
      url: https://api.twilio.com/2010-04-01/Accounts/:AccountSid/Calls.json
      params:
      - name: AccountSid
        value: ''
        type: path
        description: The unique identifier of the Twilio account
      - name: To
        value: ''
        type: query
        description: Filter by the phone number that received the call
      - name: From
        value: ''
        type: query
        description: Filter by the phone number that initiated the call
      - name: Status
        value: ''
        type: query
        description: Filter by call status
      - name: StartTime
        value: ''
        type: query
        description: Filter by start time (YYYY-MM-DD)
      - name: EndTime
        value: ''
        type: query
        description: Filter by end time (YYYY-MM-DD)
      - name: PageSize
        value: ''
        type: query
    docs: Retrieve a list of calls made to and from your account. Results are sorted by DateUpdated descending.
  - info:
      name: Twilio Make a Call
      type: http
    http:
      method: POST
      url: https://api.twilio.com/2010-04-01/Accounts/:AccountSid/Calls.json
      params:
      - name: AccountSid
        value: ''
        type: path
        description: The unique identifier of the Twilio account
      body:
        type: form-urlencoded
        data: []
    docs: Initiate a new outbound phone call. Provide a TwiML URL or ApplicationSid to control the call flow, along with the
      To and From phone numbers.
  - info:
      name: Twilio Fetch a Call
      type: http
    http:
      method: GET
      url: https://api.twilio.com/2010-04-01/Accounts/:AccountSid/Calls/:CallSid.json
      params:
      - name: AccountSid
        value: ''
        type: path
        description: The unique identifier of the Twilio account
      - name: CallSid
        value: ''
        type: path
        description: The unique identifier of the call
    docs: Retrieve details of a specific call by its SID.
  - info:
      name: Twilio Modify a Live Call
      type: http
    http:
      method: POST
      url: https://api.twilio.com/2010-04-01/Accounts/:AccountSid/Calls/:CallSid.json
      params:
      - name: AccountSid
        value: ''
        type: path
        description: The unique identifier of the Twilio account
      - name: CallSid
        value: ''
        type: path
        description: The unique identifier of the call
      body:
        type: form-urlencoded
        data: []
    docs: Modify an in-progress call. Redirect to a new TwiML URL, end the call, or put the caller on hold.
  - info:
      name: Twilio Delete a Call Record
      type: http
    http:
      method: DELETE
      url: https://api.twilio.com/2010-04-01/Accounts/:AccountSid/Calls/:CallSid.json
      params:
      - name: AccountSid
        value: ''
        type: path
        description: The unique identifier of the Twilio account
      - name: CallSid
        value: ''
        type: path
        description: The unique identifier of the call
    docs: Delete a call record from your account.
- info:
    name: Recordings
    type: folder
  items:
  - info:
      name: Twilio List Recordings for a Call
      type: http
    http:
      method: GET
      url: https://api.twilio.com/2010-04-01/Accounts/:AccountSid/Calls/:CallSid/Recordings.json
      params:
      - name: AccountSid
        value: ''
        type: path
        description: The unique identifier of the Twilio account
      - name: CallSid
        value: ''
        type: path
        description: The unique identifier of the call
    docs: Retrieve a list of recordings associated with a specific call.
  - info:
      name: Twilio Start Recording a Call
      type: http
    http:
      method: POST
      url: https://api.twilio.com/2010-04-01/Accounts/:AccountSid/Calls/:CallSid/Recordings.json
      params:
      - name: AccountSid
        value: ''
        type: path
        description: The unique identifier of the Twilio account
      - name: CallSid
        value: ''
        type: path
        description: The unique identifier of the call
      body:
        type: form-urlencoded
        data:
        - name: RecordingStatusCallback
          value: ''
        - name: RecordingStatusCallbackMethod
          value: ''
        - name: RecordingChannels
          value: ''
        - name: Trim
          value: ''
    docs: Start recording an in-progress call.
  - info:
      name: Twilio List All Recordings
      type: http
    http:
      method: GET
      url: https://api.twilio.com/2010-04-01/Accounts/:AccountSid/Recordings.json
      params:
      - name: AccountSid
        value: ''
        type: path
        description: The unique identifier of the Twilio account
      - name: DateCreated
        value: ''
        type: query
      - name: CallSid
        value: ''
        type: query
      - name: PageSize
        value: ''
        type: query
    docs: Retrieve a list of all recordings associated with your account.
  - info:
      name: Twilio Fetch a Recording
      type: http
    http:
      method: GET
      url: https://api.twilio.com/2010-04-01/Accounts/:AccountSid/Recordings/:RecordingSid.json
      params:
      - name: AccountSid
        value: ''
        type: path
        description: The unique identifier of the Twilio account
      - name: RecordingSid
        value: ''
        type: path
        description: The unique identifier of the recording
    docs: Twilio Fetch a Recording
  - info:
      name: Twilio Delete a Recording
      type: http
    http:
      method: DELETE
      url: https://api.twilio.com/2010-04-01/Accounts/:AccountSid/Recordings/:RecordingSid.json
      params:
      - name: AccountSid
        value: ''
        type: path
        description: The unique identifier of the Twilio account
      - name: RecordingSid
        value: ''
        type: path
        description: The unique identifier of the recording
    docs: Twilio Delete a Recording
- info:
    name: Conferences
    type: folder
  items:
  - info:
      name: Twilio List Conferences
      type: http
    http:
      method: GET
      url: https://api.twilio.com/2010-04-01/Accounts/:AccountSid/Conferences.json
      params:
      - name: AccountSid
        value: ''
        type: path
        description: The unique identifier of the Twilio account
      - name: Status
        value: ''
        type: query
      - name: FriendlyName
        value: ''
        type: query
      - name: DateCreated
        value: ''
        type: query
      - name: PageSize
        value: ''
        type: query
    docs: Retrieve a list of conferences within your account.
  - info:
      name: Twilio Fetch a Conference
      type: http
    http:
      method: GET
      url: https://api.twilio.com/2010-04-01/Accounts/:AccountSid/Conferences/:ConferenceSid.json
      params:
      - name: AccountSid
        value: ''
        type: path
        description: The unique identifier of the Twilio account
      - name: ConferenceSid
        value: ''
        type: path
    docs: Twilio Fetch a Conference
  - info:
      name: Twilio Update a Conference
      type: http
    http:
      method: POST
      url: https://api.twilio.com/2010-04-01/Accounts/:AccountSid/Conferences/:ConferenceSid.json
      params:
      - name: AccountSid
        value: ''
        type: path
        description: The unique identifier of the Twilio account
      - name: ConferenceSid
        value: ''
        type: path
      body:
        type: form-urlencoded
        data:
        - name: Status
          value: ''
        - name: AnnounceUrl
          value: ''
        - name: AnnounceMethod
          value: ''
    docs: End a conference or announce a message to participants.
  - info:
      name: Twilio List Conference Participants
      type: http
    http:
      method: GET
      url: https://api.twilio.com/2010-04-01/Accounts/:AccountSid/Conferences/:ConferenceSid/Participants.json
      params:
      - name: AccountSid
        value: ''
        type: path
        description: The unique identifier of the Twilio account
      - name: ConferenceSid
        value: ''
        type: path
    docs: Twilio List Conference Participants
  - info:
      name: Twilio Add a Participant to a Conference
      type: http
    http:
      method: POST
      url: https://api.twilio.com/2010-04-01/Accounts/:AccountSid/Conferences/:ConferenceSid/Participants.json
      params:
      - name: AccountSid
        value: ''
        type: path
        description: The unique identifier of the Twilio account
      - name: ConferenceSid
        value: ''
        type: path
      body:
        type: form-urlencoded
        data:
        - name: From
          value: ''
        - name: To
          value: ''
        - name: Muted
          value: ''
        - name: Hold
          value: ''
        - name: Record
          value: ''
        - name: StatusCallback
          value: ''
    docs: Twilio Add a Participant to a Conference
- info:
    name: Queues
    type: folder
  items:
  - info:
      name: Twilio List Call Queues
      type: http
    http:
      method: GET
      url: https://api.twilio.com/2010-04-01/Accounts/:AccountSid/Queues.json
      params:
      - name: AccountSid
        value: ''
        type: path
        description: The unique identifier of the Twilio account
    docs: Twilio List Call Queues
  - info:
      name: Twilio Create a Call Queue
      type: http
    http:
      method: POST
      url: https://api.twilio.com/2010-04-01/Accounts/:AccountSid/Queues.json
      params:
      - name: AccountSid
        value: ''
        type: path
        description: The unique identifier of the Twilio account
      body:
        type: form-urlencoded
        data:
        - name: FriendlyName
          value: ''
        - name: MaxSize
          value: ''
    docs: Twilio Create a Call Queue
  - info:
      name: Twilio Fetch a Queue
      type: http
    http:
      method: GET
      url: https://api.twilio.com/2010-04-01/Accounts/:AccountSid/Queues/:QueueSid.json
      params:
      - name: AccountSid
        value: ''
        type: path
        description: The unique identifier of the Twilio account
      - name: QueueSid
        value: ''
        type: path
    docs: Twilio Fetch a Queue
  - info:
      name: Twilio Update a Queue
      type: http
    http:
      method: POST
      url: https://api.twilio.com/2010-04-01/Accounts/:AccountSid/Queues/:QueueSid.json
      params:
      - name: AccountSid
        value: ''
        type: path
        description: The unique identifier of the Twilio account
      - name: QueueSid
        value: ''
        type: path
      body:
        type: form-urlencoded
        data:
        - name: FriendlyName
          value: ''
        - name: MaxSize
          value: ''
    docs: Twilio Update a Queue
  - info:
      name: Twilio Delete a Queue
      type: http
    http:
      method: DELETE
      url: https://api.twilio.com/2010-04-01/Accounts/:AccountSid/Queues/:QueueSid.json
      params:
      - name: AccountSid
        value: ''
        type: path
        description: The unique identifier of the Twilio account
      - name: QueueSid
        value: ''
        type: path
    docs: Twilio Delete a Queue
bundled: true