Twilio · Capability
Twilio - Insights — Voice

Twilio - Insights — Voice. 9 operations. Lead operation: Voice. Self-contained Naftiko capability covering one Twilio business surface.
Run with Naftiko TwilioVoice
What You Can Do

GET
Fetchaccountsettings — Get the Voice Insights Settings.
/v1/v1/voice/settings
POST
Updateaccountsettings — Update a specific Voice Insights Setting.
/v1/v1/voice/settings
GET
Listcallsummaries — Get a list of Call Summaries.
/v1/v1/voice/summaries
POST
Updateannotation — Update an Annotation for a specific Call.
/v1/v1/voice/{callsid}/annotation
GET
Fetchannotation — Get the Annotation for a specific Call.
/v1/v1/voice/{callsid}/annotation
GET
Listevent — Get a list of Call Insight Events for a Call.
/v1/v1/voice/{callsid}/events
GET
Listmetric — Get a list of Call Metrics for a Call.
/v1/v1/voice/{callsid}/metrics
GET
Fetchsummary — Get a specific Call Summary.
/v1/v1/voice/{callsid}/summary
GET
Fetchcall — fetchcall
/v1/v1/voice/{sid}
MCP Tools

get-voice-insights-settings

Get the Voice Insights Settings.
read-only idempotent
update-specific-voice-insights-setting

Update a specific Voice Insights Setting.
get-list-call-summaries

Get a list of Call Summaries.
read-only idempotent
update-annotation-specific-call

Update an Annotation for a specific Call.
get-annotation-specific-call

Get the Annotation for a specific Call.
read-only idempotent
get-list-call-insight-events

Get a list of Call Insight Events for a Call.
read-only idempotent
get-list-call-metrics-call

Get a list of Call Metrics for a Call.
read-only idempotent
get-specific-call-summary

Get a specific Call Summary.
read-only idempotent
fetchcall

read-only idempotent
Capability Spec

naftiko: 1.0.0-alpha2
info:
  label: Twilio - Insights — Voice
  description: 'Twilio - Insights — Voice. 9 operations. Lead operation: Voice. Self-contained Naftiko capability covering
    one Twilio business surface.'
  tags:
  - Twilio
  - Voice
  created: '2026-05-19'
  modified: '2026-05-19'
binds:
- namespace: env
  keys:
    TWILIO_API_KEY: TWILIO_API_KEY
capability:
  consumes:
  - type: http
    namespace: insights-voice
    baseUri: https://insights.twilio.com
    description: Twilio - Insights — Voice business capability. Self-contained, no shared references.
    resources:
    - name: v1-Voice-Settings
      path: /v1/Voice/Settings
      operations:
      - name: fetchaccountsettings
        method: GET
        description: Get the Voice Insights Settings.
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: SubaccountSid
          in: query
          type: string
          description: The unique SID identifier of the Subaccount.
      - name: updateaccountsettings
        method: POST
        description: Update a specific Voice Insights Setting.
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: body
          in: body
          type: object
          description: Request body (JSON).
          required: false
    - name: v1-Voice-Summaries
      path: /v1/Voice/Summaries
      operations:
      - name: listcallsummaries
        method: GET
        description: Get a list of Call Summaries.
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: From
          in: query
          type: string
          description: A calling party. Could be an E.164 number, a SIP URI, or a Twilio Client registered name.
        - name: To
          in: query
          type: string
          description: A called party. Could be an E.164 number, a SIP URI, or a Twilio Client registered name.
        - name: FromCarrier
          in: query
          type: string
          description: An origination carrier.
        - name: ToCarrier
          in: query
          type: string
          description: A destination carrier.
        - name: FromCountryCode
          in: query
          type: string
          description: A source country code based on phone number in From.
        - name: ToCountryCode
          in: query
          type: string
          description: A destination country code. Based on phone number in To.
        - name: Branded
          in: query
          type: boolean
          description: A boolean flag indicating whether or not the calls were branded using Twilio Branded Calls.
        - name: VerifiedCaller
          in: query
          type: boolean
          description: A boolean flag indicating whether or not the caller was verified using SHAKEN/STIR.
        - name: HasTag
          in: query
          type: boolean
          description: A boolean flag indicating the presence of one or more [Voice Insights Call Tags](https://www.twilio.com/docs/voice/voice-insights/api/call/details-call-tags).
        - name: StartTime
          in: query
          type: string
          description: A Start time of the calls. xm (x minutes), xh (x hours), xd (x days), 1w, 30m, 3d, 4w or datetime-ISO.
            Defaults to 4h.
        - name: EndTime
          in: query
          type: string
          description: An End Time of the calls. xm (x minutes), xh (x hours), xd (x days), 1w, 30m, 3d, 4w or datetime-ISO.
            Defaults to 0m.
        - name: CallType
          in: query
          type: string
          description: A Call Type of the calls. One of `carrier`, `sip`, `trunking` or `client`.
        - name: CallState
          in: query
          type: string
          description: A Call State of the calls. One of `ringing`, `completed`, `busy`, `fail`, `noanswer`, `canceled`, `answered`,
            `undialed`.
        - name: Direction
          in: query
          type: string
          description: A Direction of the calls. One of `outbound_api`, `outbound_dial`, `inbound`, `trunking_originating`,
            `trunking_terminating`.
        - name: ProcessingState
          in: query
          type: string
          description: A Processing State of the Call Summaries. One of `completed`, `partial` or `all`.
        - name: SortBy
          in: query
          type: string
          description: A Sort By criterion for the returned list of Call Summaries. One of `start_time` or `end_time`.
        - name: Subaccount
          in: query
          type: string
          description: A unique SID identifier of a Subaccount.
        - name: AbnormalSession
          in: query
          type: boolean
          description: A boolean flag indicating an abnormal session where the last SIP response was not 200 OK.
        - name: AnsweredBy
          in: query
          type: string
          description: An Answered By value for the calls based on `Answering Machine Detection (AMD)`. One of `unknown`,
            `machine_start`, `machine_end_beep`, `machine_end_silence`, `
        - name: AnsweredByAnnotation
          in: query
          type: string
          description: Either machine or human.
        - name: ConnectivityIssueAnnotation
          in: query
          type: string
          description: A Connectivity Issue with the calls. One of `no_connectivity_issue`, `invalid_number`, `caller_id`,
            `dropped_call`, or `number_reachability`.
        - name: QualityIssueAnnotation
          in: query
          type: string
          description: A subjective Quality Issue with the calls. One of `no_quality_issue`, `low_volume`, `choppy_robotic`,
            `echo`, `dtmf`, `latency`, `owa`, `static_noise`.
        - name: SpamAnnotation
          in: query
          type: boolean
          description: A boolean flag indicating spam calls.
        - name: CallScoreAnnotation
          in: query
          type: string
          description: 'A Call Score of the calls. Use a range of 1-5 to indicate the call experience score, with the following
            mapping as a reference for the rated call [5: Excellent,'
        - name: PageSize
          in: query
          type: integer
          description: How many resources to return in each list page. The default is 50, and the maximum is 1000.
        - name: Page
          in: query
          type: integer
          description: The page index. This value is simply for client state.
        - name: PageToken
          in: query
          type: string
          description: The page token. This is provided by the API.
    - name: v1-Voice-CallSid-Annotation
      path: /v1/Voice/{CallSid}/Annotation
      operations:
      - name: updateannotation
        method: POST
        description: Update an Annotation for a specific Call.
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: CallSid
          in: path
          type: string
          description: The unique string that Twilio created to identify this Call resource. It always starts with a CA.
          required: true
        - name: body
          in: body
          type: object
          description: Request body (JSON).
          required: false
      - name: fetchannotation
        method: GET
        description: Get the Annotation for a specific Call.
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: CallSid
          in: path
          type: string
          description: The unique SID identifier of the Call.
          required: true
    - name: v1-Voice-CallSid-Events
      path: /v1/Voice/{CallSid}/Events
      operations:
      - name: listevent
        method: GET
        description: Get a list of Call Insight Events for a Call.
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: CallSid
          in: path
          type: string
          description: The unique SID identifier of the Call.
          required: true
        - name: Edge
          in: query
          type: string
          description: The Edge of this Event. One of `unknown_edge`, `carrier_edge`, `sip_edge`, `sdk_edge` or `client_edge`.
        - name: PageSize
          in: query
          type: integer
          description: How many resources to return in each list page. The default is 50, and the maximum is 1000.
        - name: Page
          in: query
          type: integer
          description: The page index. This value is simply for client state.
        - name: PageToken
          in: query
          type: string
          description: The page token. This is provided by the API.
    - name: v1-Voice-CallSid-Metrics
      path: /v1/Voice/{CallSid}/Metrics
      operations:
      - name: listmetric
        method: GET
        description: Get a list of Call Metrics for a Call.
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: CallSid
          in: path
          type: string
          description: The unique SID identifier of the Call.
          required: true
        - name: Edge
          in: query
          type: string
          description: The Edge of this Metric. One of `unknown_edge`, `carrier_edge`, `sip_edge`, `sdk_edge` or `client_edge`.
        - name: Direction
          in: query
          type: string
          description: The Direction of this Metric. One of `unknown`, `inbound`, `outbound` or `both`.
        - name: PageSize
          in: query
          type: integer
          description: How many resources to return in each list page. The default is 50, and the maximum is 1000.
        - name: Page
          in: query
          type: integer
          description: The page index. This value is simply for client state.
        - name: PageToken
          in: query
          type: string
          description: The page token. This is provided by the API.
    - name: v1-Voice-CallSid-Summary
      path: /v1/Voice/{CallSid}/Summary
      operations:
      - name: fetchsummary
        method: GET
        description: Get a specific Call Summary.
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: CallSid
          in: path
          type: string
          description: The unique SID identifier of the Call.
          required: true
        - name: ProcessingState
          in: query
          type: string
          description: The Processing State of this Call Summary. One of `complete`, `partial` or `all`.
    - name: v1-Voice-Sid
      path: /v1/Voice/{Sid}
      operations:
      - name: fetchcall
        method: GET
        description: ''
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: Sid
          in: path
          type: string
          required: true
    authentication:
      type: basic
      username: '{{env.TWILIO_USER}}'
      password: '{{env.TWILIO_PASS}}'
  exposes:
  - type: rest
    namespace: insights-voice-rest
    port: 8080
    description: REST adapter for Twilio - Insights — Voice. One Spectral-compliant resource per consumed operation, prefixed
      with /v1.
    resources:
    - path: /v1/v1/voice/settings
      name: v1-voice-settings
      description: REST surface for v1-Voice-Settings.
      operations:
      - method: GET
        name: fetchaccountsettings
        description: Get the Voice Insights Settings.
        call: insights-voice.fetchaccountsettings
        with:
          SubaccountSid: rest.SubaccountSid
        outputParameters:
        - type: object
          mapping: $.
      - method: POST
        name: updateaccountsettings
        description: Update a specific Voice Insights Setting.
        call: insights-voice.updateaccountsettings
        with:
          body: rest.body
        outputParameters:
        - type: object
          mapping: $.
    - path: /v1/v1/voice/summaries
      name: v1-voice-summaries
      description: REST surface for v1-Voice-Summaries.
      operations:
      - method: GET
        name: listcallsummaries
        description: Get a list of Call Summaries.
        call: insights-voice.listcallsummaries
        with:
          From: rest.From
          To: rest.To
          FromCarrier: rest.FromCarrier
          ToCarrier: rest.ToCarrier
          FromCountryCode: rest.FromCountryCode
          ToCountryCode: rest.ToCountryCode
          Branded: rest.Branded
          VerifiedCaller: rest.VerifiedCaller
          HasTag: rest.HasTag
          StartTime: rest.StartTime
          EndTime: rest.EndTime
          CallType: rest.CallType
          CallState: rest.CallState
          Direction: rest.Direction
          ProcessingState: rest.ProcessingState
          SortBy: rest.SortBy
          Subaccount: rest.Subaccount
          AbnormalSession: rest.AbnormalSession
          AnsweredBy: rest.AnsweredBy
          AnsweredByAnnotation: rest.AnsweredByAnnotation
          ConnectivityIssueAnnotation: rest.ConnectivityIssueAnnotation
          QualityIssueAnnotation: rest.QualityIssueAnnotation
          SpamAnnotation: rest.SpamAnnotation
          CallScoreAnnotation: rest.CallScoreAnnotation
          PageSize: rest.PageSize
          Page: rest.Page
          PageToken: rest.PageToken
        outputParameters:
        - type: object
          mapping: $.
    - path: /v1/v1/voice/{callsid}/annotation
      name: v1-voice-callsid-annotation
      description: REST surface for v1-Voice-CallSid-Annotation.
      operations:
      - method: POST
        name: updateannotation
        description: Update an Annotation for a specific Call.
        call: insights-voice.updateannotation
        with:
          CallSid: rest.CallSid
          body: rest.body
        outputParameters:
        - type: object
          mapping: $.
      - method: GET
        name: fetchannotation
        description: Get the Annotation for a specific Call.
        call: insights-voice.fetchannotation
        with:
          CallSid: rest.CallSid
        outputParameters:
        - type: object
          mapping: $.
    - path: /v1/v1/voice/{callsid}/events
      name: v1-voice-callsid-events
      description: REST surface for v1-Voice-CallSid-Events.
      operations:
      - method: GET
        name: listevent
        description: Get a list of Call Insight Events for a Call.
        call: insights-voice.listevent
        with:
          CallSid: rest.CallSid
          Edge: rest.Edge
          PageSize: rest.PageSize
          Page: rest.Page
          PageToken: rest.PageToken
        outputParameters:
        - type: object
          mapping: $.
    - path: /v1/v1/voice/{callsid}/metrics
      name: v1-voice-callsid-metrics
      description: REST surface for v1-Voice-CallSid-Metrics.
      operations:
      - method: GET
        name: listmetric
        description: Get a list of Call Metrics for a Call.
        call: insights-voice.listmetric
        with:
          CallSid: rest.CallSid
          Edge: rest.Edge
          Direction: rest.Direction
          PageSize: rest.PageSize
          Page: rest.Page
          PageToken: rest.PageToken
        outputParameters:
        - type: object
          mapping: $.
    - path: /v1/v1/voice/{callsid}/summary
      name: v1-voice-callsid-summary
      description: REST surface for v1-Voice-CallSid-Summary.
      operations:
      - method: GET
        name: fetchsummary
        description: Get a specific Call Summary.
        call: insights-voice.fetchsummary
        with:
          CallSid: rest.CallSid
          ProcessingState: rest.ProcessingState
        outputParameters:
        - type: object
          mapping: $.
    - path: /v1/v1/voice/{sid}
      name: v1-voice-sid
      description: REST surface for v1-Voice-Sid.
      operations:
      - method: GET
        name: fetchcall
        description: fetchcall
        call: insights-voice.fetchcall
        with:
          Sid: rest.Sid
        outputParameters:
        - type: object
          mapping: $.
  - type: mcp
    namespace: insights-voice-mcp
    port: 9090
    transport: http
    description: MCP adapter for Twilio - Insights — Voice. One tool per consumed operation, routed inline through this capability's
      consumes block.
    tools:
    - name: get-voice-insights-settings
      description: Get the Voice Insights Settings.
      hints:
        readOnly: true
        destructive: false
        idempotent: true
      call: insights-voice.fetchaccountsettings
      with:
        SubaccountSid: tools.SubaccountSid
      outputParameters:
      - type: object
        mapping: $.
    - name: update-specific-voice-insights-setting
      description: Update a specific Voice Insights Setting.
      hints:
        readOnly: false
        destructive: false
        idempotent: false
      call: insights-voice.updateaccountsettings
      with:
        body: tools.body
      outputParameters:
      - type: object
        mapping: $.
    - name: get-list-call-summaries
      description: Get a list of Call Summaries.
      hints:
        readOnly: true
        destructive: false
        idempotent: true
      call: insights-voice.listcallsummaries
      with:
        From: tools.From
        To: tools.To
        FromCarrier: tools.FromCarrier
        ToCarrier: tools.ToCarrier
        FromCountryCode: tools.FromCountryCode
        ToCountryCode: tools.ToCountryCode
        Branded: tools.Branded
        VerifiedCaller: tools.VerifiedCaller
        HasTag: tools.HasTag
        StartTime: tools.StartTime
        EndTime: tools.EndTime
        CallType: tools.CallType
        CallState: tools.CallState
        Direction: tools.Direction
        ProcessingState: tools.ProcessingState
        SortBy: tools.SortBy
        Subaccount: tools.Subaccount
        AbnormalSession: tools.AbnormalSession
        AnsweredBy: tools.AnsweredBy
        AnsweredByAnnotation: tools.AnsweredByAnnotation
        ConnectivityIssueAnnotation: tools.ConnectivityIssueAnnotation
        QualityIssueAnnotation: tools.QualityIssueAnnotation
        SpamAnnotation: tools.SpamAnnotation
        CallScoreAnnotation: tools.CallScoreAnnotation
        PageSize: tools.PageSize
        Page: tools.Page
        PageToken: tools.PageToken
      outputParameters:
      - type: object
        mapping: $.
    - name: update-annotation-specific-call
      description: Update an Annotation for a specific Call.
      hints:
        readOnly: false
        destructive: false
        idempotent: false
      call: insights-voice.updateannotation
      with:
        CallSid: tools.CallSid
        body: tools.body
      outputParameters:
      - type: object
        mapping: $.
    - name: get-annotation-specific-call
      description: Get the Annotation for a specific Call.
      hints:
        readOnly: true
        destructive: false
        idempotent: true
      call: insights-voice.fetchannotation
      with:
        CallSid: tools.CallSid
      outputParameters:
      - type: object
        mapping: $.
    - name: get-list-call-insight-events
      description: Get a list of Call Insight Events for a Call.
      hints:
        readOnly: true
        destructive: false
        idempotent: true
      call: insights-voice.listevent
      with:
        CallSid: tools.CallSid
        Edge: tools.Edge
        PageSize: tools.PageSize
        Page: tools.Page
        PageToken: tools.PageToken
      outputParameters:
      - type: object
        mapping: $.
    - name: get-list-call-metrics-call
      description: Get a list of Call Metrics for a Call.
      hints:
        readOnly: true
        destructive: false
        idempotent: true
      call: insights-voice.listmetric
      with:
        CallSid: tools.CallSid
        Edge: tools.Edge
        Direction: tools.Direction
        PageSize: tools.PageSize
        Page: tools.Page
        PageToken: tools.PageToken
      outputParameters:
      - type: object
        mapping: $.
    - name: get-specific-call-summary
      description: Get a specific Call Summary.
      hints:
        readOnly: true
        destructive: false
        idempotent: true
      call: insights-voice.fetchsummary
      with:
        CallSid: tools.CallSid
        ProcessingState: tools.ProcessingState
      outputParameters:
      - type: object
        mapping: $.
    - name: fetchcall
      description: fetchcall
      hints:
        readOnly: true
        destructive: false
        idempotent: true
      call: insights-voice.fetchcall
      with:
        Sid: tools.Sid
      outputParameters:
      - type: object
        mapping: $.