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Conversations

Add a contact to a conversation

Adds a contact (customer or lead) as a participant to an existing conversation.

POST
/v2/conversations/{id}/participants

Path Parameters

  • id - The conversation ID (short ID)

Request Body

FieldTypeRequiredDescription
participantobjectYesThe contact to add (see below)
participant.idstringNo*The Featurebase ID (24-character ObjectId) - matches customer or lead
participant.userIdstringNo*External user ID from your system - matches customer only
participant.emailstringNo*Email address - matches customer only
actingAdminIdstringNoAdmin ID performing the action (for attribution)

*At least one of id, userId, or email is required in the participant object.

Lookup Priority

  1. If id is provided, looks up by Featurebase ID (matches both customer and lead types)
  2. If userId is provided, looks up by external user ID (matches customer type only)
  3. If email is provided, looks up by email address (matches customer type only)

Response

Returns the updated conversation object.

Example Request (by Featurebase ID)

{
  "participant": {
    "id": "676f0f6765bdaa7d7d760f88"
  },
  "actingAdminId": "507f1f77bcf86cd799439011"
}

Example Request (by external userId)

{
  "participant": {
    "userId": "user_123"
  }
}

Example Request (by email)

{
  "participant": {
    "email": "john@example.com"
  }
}

Example Response

{
  "object": "conversation",
  "id": "12345",
  "participants": [
    { "type": "customer", "id": "676f0f6765bdaa7d7d760f88" },
    { "type": "customer", "id": "676f0f6765bdaa7d7d760f89" }
  ],
  ...
}

Version Availability

This endpoint is only available in API version 2026-01-01.nova and newer.

Authorizationstringheaderobligatorio

API key as Bearer token. Use: Authorization: Bearer sk_...

idstringobligatorio

Conversation ID (short ID)

Required string length: 1 - 16
Patrón: ^[a-zA-Z0-9]+$
Ejemplo: 12345
Featurebase-Versionenum<string>header

API version for this request. Defaults to your organization's configured API version if not specified.

Opciones disponibles: 2026-08-19.orbit, 2026-01-01.nova, 2025-12-12.clover
Ejemplo: 2026-08-19.orbit

Cuerpo

application/json
actingAdminIdstring

The admin ID performing this action. If not provided, changes are attributed to the system bot user.

Ejemplo: 507f1f77bcf86cd799439011
participantobjectobligatorio

The contact to add as a participant. At least one of id, userId, or email is required.

Respuesta

application/json

Success

adminAssigneeIdstring | nullobligatorio

ID of the assigned admin

Ejemplo: 507f1f77bcf86cd799439011
awaitingCustomerReplyboolean

Whether we are awaiting a customer reply

Ejemplo: true
botConversationStateenum<string>

State of AI agent handling for this conversation

Opciones disponibles: active, handed_off_to_human, resolved
Ejemplo: active
botConversationStateLastUpdatedAtstring | nullobligatorio

ISO timestamp when bot state last changed

Ejemplo: 2025-01-15T10:30:00.000Z
brandIdstring | nullobligatorio

ID of the brand associated with this conversation

Ejemplo: 507f1f77bcf86cd799439011
conversationPartsobject[]

Array of conversation parts (messages). Only included when fetching a single conversation by ID.

createdAtstringobligatorio

ISO timestamp when conversation was created

Ejemplo: 2025-01-15T10:30:00.000Z
csatDebugobject

Minimal CSAT diagnostics for the current effective request.

csatHistoryobject[]

Historical CSAT requests for this conversation, ordered newest first.

csatSummaryobject

Derived CSAT summary for this conversation when a rating request or rating exists.

customAttributeValuesobject[]

Custom conversation attribute values expanded with definition metadata. Returned only when include=customAttributeDefinitions is provided.

customAttributesobject

Custom conversation attributes keyed by custom attribute ID. Only org-defined, non-archived conversation attributes are returned; internal workflow metadata is omitted.

disableCustomerReplyboolean

Whether customer replies are disabled

Ejemplo: false
hasAdminOverriddenLanguagebooleanobligatorio

Whether an admin has manually overridden the language for this conversation. When true, automatic language detection is disabled.

Ejemplo: false
idstringobligatorio

Unique conversation identifier

Ejemplo: 12345
isBlockedbooleanobligatorio

Whether the user is blocked

Ejemplo: false
lastActivityAtstring | nullobligatorio

ISO timestamp of last activity

Ejemplo: 2025-01-15T12:30:00.000Z
objectenum<string>obligatorio

Object type identifier

Opciones disponibles: conversation
Ejemplo: conversation
participantsobject[]obligatorio

Participants in this conversation

prioritybooleanobligatorio

Whether this conversation is marked as priority

Ejemplo: false
prioritySetAtstring | nullobligatorio

ISO timestamp when priority was set

Ejemplo: 2025-01-15T10:30:00.000Z
readReceiptsobject[]

Read receipts indicating how far each participant has read in the conversation. Each receipt maps a user to their last-read conversation part. The tracked position reflects the system read state and may reference parts the user cannot directly view (e.g., a contact's read position may point to an internal admin note). Use these receipts to render read indicators and typing awareness, not to infer content access.

snoozedUntilstring | nullobligatorio

ISO timestamp until which conversation is snoozed

Ejemplo: 2025-01-16T09:00:00.000Z
sourceobject
stateenum<string>obligatorio

Current state of the conversation

Opciones disponibles: open, closed, snoozed
Ejemplo: open
tagsobject[]obligatorio

Current tags applied anywhere in this conversation

teamAssigneeIdstring | nullobligatorio

ID of the assigned team

Ejemplo: 507f1f77bcf86cd799439012
titlestring

Conversation title

Ejemplo: Question about pricing
updatedAtstringobligatorio

ISO timestamp when conversation was last updated

Ejemplo: 2025-01-15T12:30:00.000Z
userPreferredLanguagestringobligatorio

User's preferred language

Ejemplo: en
waitingSincestring | nullobligatorio

ISO timestamp when conversation started waiting

Ejemplo: 2025-01-15T10:30:00.000Z