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Twilio Voice API

The Voice API from Twilio — 10 operation(s) for voice.

Twilio Voice API is one of 115 APIs that Twilio publishes on the APIs.io network, described by a machine-readable OpenAPI specification and an AsyncAPI event-driven specification.

Tagged areas include Voice. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, pricing, and an AsyncAPI specification.

This API exposes 12 operations across 10 paths, and defines 32 schemas. It is described by OpenAPI 3.2.0, at version 1.52.0.

Requests are made against 2 base URLs: https://insights.twilio.com, https://pricing.twilio.com.

12 operations 10 paths 32 schemas 10 GET2 POST

Metadata

The identity and technical contract details declared by the specification.

Specification
OpenAPI 3.2.0
API Version
1.52.0
Servers
https://insights.twilio.com
https://pricing.twilio.com
Authentication
HTTP Basic
License
Terms of Service
Resource Areas
1

Authentication & Security 1

Twilio Voice API declares 1 security scheme for authenticating requests. It accepts HTTP basic authentication (accountSid_authToken).

Paths & Operations 12

Across 10 paths, the API surfaces 12 operations — 10 GET, 2 POST. Each is listed below with its method, path, parameters, and response codes.

Voice 12
GET
/v1/Voice/Settings
Get the Voice Insights Settings.
FetchAccountSettings 1 param → 200
POST
/v1/Voice/Settings
Update a specific Voice Insights Setting.
UpdateAccountSettings body → 200
POST
/v1/Voice/{CallSid}/Annotation
Update an Annotation for a specific Call.
UpdateAnnotation 1 param body → 200
GET
/v1/Voice/{CallSid}/Annotation
Get the Annotation for a specific Call.
FetchAnnotation 1 param → 200
GET
/v1/Voice/{Sid}
FetchCall 1 param → 200
GET
/v1/Voice/Summaries
Get a list of Call Summaries.
ListCallSummaries 27 params → 200
GET
/v1/Voice/{CallSid}/Events
Get a list of Call Insight Events for a Call.
ListEvent 5 params → 200
GET
/v1/Voice/{CallSid}/Metrics
Get a list of Call Metrics for a Call.
ListMetric 6 params → 200
GET
/v1/Voice/{CallSid}/Summary
Get a specific Call Summary.
FetchSummary 2 params → 200
GET
/v2/Voice/Countries
ListVoiceCountry 3 params → 200
GET
/v2/Voice/Countries/{IsoCountry}
Fetch a specific Country.
FetchVoiceCountry 1 param → 200
GET
/v2/Voice/Numbers/{DestinationNumber}
Fetch pricing information for a specific destination and, optionally, origination phone number.
FetchVoiceNumber 2 params → 200

Schemas 32

The contract defines 32 schemas that model the data the API accepts and returns. The most detailed are insights.v1.call_summaries (23 properties), insights.v1.call.summary (23 properties), insights.v1.call.event (11 properties), insights.v1.call.annotation (10 properties). Each schema is shown below with its type and property counts.

call_summaries_enum_call_state
string
UpdateAnnotationRequest
object
7 properties
UpdateAccountSettingsRequest
object
3 properties
summary_enum_answered_by
string
annotation_enum_answered_by
string
call_summaries_enum_sort_by
string
insights.v1.account_settings
object
4 properties
summary_enum_processing_state
string
summary_enum_call_type
string
call_summaries_enum_answered_by
string
call_summaries_enum_processing_state
string
insights.v1.call.metric
object
9 properties
event_enum_level
string
metric_enum_twilio_edge
string
summary_enum_call_state
string
ListEventResponse
object
2 properties
ListCallSummariesResponse
object
2 properties
insights.v1.call.event
object
11 properties
metric_enum_stream_direction
string
annotation_enum_connectivity_issue
string
insights.v1.call_summaries
object
23 properties
insights.v1.call.summary
object
23 properties
insights.v1.call
object
3 properties
call_summaries_enum_call_type
string
event_enum_twilio_edge
string
ListMetricResponse
object
2 properties
call_summaries_enum_processing_state_request
string
insights.v1.call.annotation
object
10 properties
pricing.v2.voice.voice_country-instance
object
6 properties
ListVoiceCountryResponse
object
2 properties
pricing.v2.voice.voice_number
object
8 properties
pricing.v2.voice.voice_country
object
3 properties

Specification

The full machine-readable OpenAPI contract behind this narrative.

Source

twilio-voice-api-openapi.yml Raw ↑

Other APIs Twilio publishes across the network.

Twilio A2p API
Twilio Access Tokens API
Twilio Accounts API
Twilio Alerts API
Twilio Alpha Senders API
Twilio Apps API
Twilio Archives API
Twilio Assistants API
Twilio Attempts API
Twilio Auth Tokens API
Twilio AuthTokens API
Twilio ByocTrunks API
Where this information came from

This is an independent, third-party profile of Twilio Voice API, published by API Evangelist. We do not operate, host, resell, or support these APIs, and we are not affiliated with or endorsed by the company unless stated above. Everything here is built from publicly available information — the company's own site, developer portal, documentation, public repositories, and the specifications it publishes for public use. Nothing is obtained by breaching a system, defeating an access control, or using credentials.

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