generated: '2026-10-08'
method: derived
source: openapi/*.yml (tags, objects and enumerations with the contracts' own definitions); provenance keys added 2026-10-08
  on re-profile, content unchanged
vocabulary:
  name: Sinch Vocabulary
  description: Domain vocabulary for the Sinch cloud communications platform covering SMS, voice, verification, omnichannel
    messaging, and number management APIs.
  version: '1.0'
  created: '2026-05-02'
  modified: '2026-05-02'
  terms:
  - term: Batch
    definition: A group of SMS messages sent to one or more recipients in a single API call. Supports parameterized messages,
      scheduled delivery, and delivery reports.
    aliases:
    - SMS Batch
    - Message Batch
  - term: Conversation
    definition: A thread of messages between an application and a contact, tracked across channels. Enables omnichannel continuity
      when a customer switches from SMS to WhatsApp or another channel.
    aliases:
    - Thread
    - Conversation Thread
  - term: Contact
    definition: A person or entity with one or more channel identities (phone numbers, social IDs) managed in the Sinch Conversation
      API contact directory.
  - term: Channel
    definition: A messaging medium such as SMS, RCS, WhatsApp, Facebook Messenger, Instagram, Viber, Telegram, KakaoTalk,
      or LINE supported by the Sinch Conversation API.
    related:
    - Omnichannel
  - term: Channel Identity
    definition: A channel-specific identifier for a contact, such as a phone number for SMS or a PSID for Facebook Messenger.
  - term: Service Plan
    definition: A Sinch SMS service configuration identified by a service_plan_id, associated with a phone number or sender
      ID for sending SMS messages.
    aliases:
    - Service Plan ID
  - term: Project
    definition: A Sinch organizational unit that groups resources including phone numbers, apps, contacts, and conversations.
      Identified by a project_id.
    aliases:
    - Sinch Project
  - term: App
    definition: A Conversation API application that connects to messaging channel integrations and defines webhook callbacks
      for inbound messages and events.
    aliases:
    - Conversation App
  - term: Callout
    definition: An outbound voice call initiated via the Sinch Voice API. Supports text-to-speech, custom audio, and IVR using
      SVAML instructions.
    aliases:
    - Voice Callout
  - term: SVAML
    definition: Sinch Voice Application Markup Language - a JSON-based instruction set used to control active calls with actions
      like play, say, hangup, conference, and runMenu for IVR.
  - term: Verification
    definition: 'A flow for verifying a user''s phone number ownership via SMS OTP, flashcall, or automated phone call. Methods:
      sms, flashcall, callout.'
    aliases:
    - Phone Verification
    - OTP Verification
  - term: Flashcall
    definition: A verification method where Sinch places a silent call to the user's number; the user reads the last digits
      of the caller ID as the OTP.
  - term: Delivery Report
    definition: 'A status update about whether an SMS message was delivered to the recipient''s handset. Types: none, summary,
      full, per_recipient.'
    aliases:
    - DLR
  - term: SIP Trunk
    definition: A virtual connection between a customer's PBX or telephony system and the Sinch network, enabling PSTN calls
      via SIP protocol at elastic scale.
  - term: Brand
    definition: A business entity record required for compliant business messaging (A2P SMS, 10DLC). Contains company identity,
      address, and contact information.
  - term: Registration
    definition: The process of registering a sender ID or campaign with carriers for compliant A2P messaging in regulated
      markets like the US (10DLC).
    aliases:
    - Sender Registration
    - Campaign Registration
  - term: 10DLC
    definition: 10-Digit Long Code - a US carrier standard for A2P SMS requiring brand and campaign registration to send business
      SMS from local phone numbers.
  - term: Alpha Sender
    definition: An alphanumeric string (up to 11 characters) used as a sender ID for SMS messages instead of a phone number.
      Not supported in all countries.
  - term: Phone Number
    definition: 'A physical or virtual telephone number purchased from Sinch, used as a sender for SMS, voice, or fax. Number
      types: local, national, mobile, toll-free.'
  - term: Webhook
    definition: An HTTP callback URL configured to receive real-time events from Sinch when messages are received, delivered,
      or status changes occur.
    aliases:
    - Callback
    - Event Callback