API Reference/Messaging/List all 1to1 chats for a given attendee

List all 1to1 chats for a given attendee

GEThttps://api.postpress.ai/v1/chat_attendees/{attendee_id}/chats

Return a paginated list of chats where a given attendee is involved.

Authorization

X-API-KEYstringrequired
API key from your postpress dashboard. Sent as a request header.

Path parameters

attendee_idstringrequired
The postpress id OR provider-native `provider_id` of the attendee. Can be a comma-separated list of multiple ids.

Query parameters

cursorstringoptional
Pagination cursor. Pass the `cursor` from the previous response to fetch the next page. Repeat until `cursor` is `null`. Minimum length 1.
beforestringoptional
Return chats created strictly before this UTC datetime. ISO 8601 `YYYY-MM-DDTHH:MM:SS.sssZ`.
afterstringoptional
Return chats created strictly after this UTC datetime. ISO 8601 `YYYY-MM-DDTHH:MM:SS.sssZ`.
limitintegeroptional
Maximum number of items to return. Between 1 and 250. Defaults to 100.
account_idstringoptional
Restrict results to one or more linked accounts. Comma-separated list of account ids.

Response 200 OK

objectstringChatListrequired
itemsarray of objectsrequired
Chats where the attendee participates.
items array
objectstringChatrequired
idstringlength ≥ 1required
Unique chat id.
account_idstringlength ≥ 1required
The postpress account that owns the chat.
account_typestringrequired
WHATSAPPLINKEDINSLACKTWITTERMESSENGERINSTAGRAMTELEGRAM
Provider behind the chat.
provider_idstringrequired
Provider-native chat identifier.
attendee_provider_idstring
Provider-native id of the other attendee, for 1:1 chats.
namestringrequired
Chat name or contact name. Nullable.
typenumberrequired
012
Chat type. 0 = 1:1, 1 = group, 2 = broadcast.
timestampstringrequired
Last activity timestamp. Nullable.
unread_countnumberrequired
Number of unread messages in the chat.
archivednumberrequired
01
Archive flag. 0 = not archived, 1 = archived.
muted_untilnumber or stringrequired
Mute state: -1 = muted indefinitely, ISO datetime = muted until that time, null = not muted.
read_onlynumberrequired
012
Read-only state. 0 = writable, 1 = read-only, 2 = locked.
disabledFeaturesarray of strings
Features disabled by the provider for this chat.
disabledFeatures array
<feature>string
reactionsreply
subjectstring
Chat subject (when applicable).
organization_idstring
LinkedIn-specific id for organization mailboxes.
mailbox_idstring
LinkedIn-specific id for organization mailboxes.
content_typestring
inmailsponsoredlinkedin_offer
LinkedIn-specific content classifier.
folderarray of strings
Folders the chat belongs to.
folder array
<folder>string
INBOXINBOX_LINKEDIN_CLASSICINBOX_LINKEDIN_RECRUITERINBOX_LINKEDIN_SALES_NAVIGATORINBOX_LINKEDIN_ORGANIZATION
Provider-known folders, plus arbitrary custom folder names.
pinnednumberrequired
01
Pin flag. 0 = not pinned, 1 = pinned.
cursorstringrequired
Cursor for the next page, or `null` if this is the last page.

Example request

curl --request GET \
  --url 'https://api.postpress.ai/api/v1/chat_attendees/att_01HXYZ4QK3WJ8FN3M6QH7TZ8GR/chats?limit=100' \
  --header 'X-API-KEY: pp_live_...' \
  --header 'accept: application/json'

Example response

{
  "object": "ChatList",
  "items": [
    {
      "object": "Chat",
      "id": "chat_01HXYZ4QK3WJ8FN3M6QH7TZ8GR",
      "account_id": "acc_01HXYZ4QK3WJ8FN3M6QH7TZ8GR",
      "account_type": "LINKEDIN",
      "provider_id": "urn:li:msg_conversation:(...)",
      "attendee_provider_id": "ACoAACr-1eYBl...",
      "name": "Jordan Walke",
      "type": 0,
      "timestamp": "2026-05-16T18:24:11.000Z",
      "unread_count": 0,
      "archived": 0,
      "muted_until": null,
      "read_only": 0,
      "pinned": 0,
      "folder": ["INBOX", "INBOX_LINKEDIN_CLASSIC"]
    }
  ],
  "cursor": "eyJvIjoxMDB9"
}

Errors

Every error response follows the same envelope:

titlestringrequired
Short error title.
detailstringoptional
Human-readable explanation.
instancestringoptional
Request identifier for support.
typestringrequired
Error type identifier.
statusnumberrequired
HTTP status code.
401 Unauthorized13 types

Credentials are missing, expired, or otherwise invalid.

  • errors/missing_credentials - Some credentials are necessary to perform the request.
  • errors/multiple_sessions - LinkedIn limits multiple sessions on certain Recruiter accounts. Use the cookie connection method.
  • errors/invalid_checkpoint_solution - The checkpoint resolution did not pass successfully. Retry.
  • errors/invalid_proxy_credentials - The provided proxy credentials are invalid.
  • errors/checkpoint_error - The checkpoint does not appear to be resolvable.
  • errors/invalid_credentials - The provided credentials are invalid.
  • errors/expired_credentials - Credentials have expired. Reconnect the account.
  • errors/insufficient_privileges - This resource is out of your API-key scopes.
  • errors/disconnected_account - The account is disconnected from the provider service.
  • errors/disconnected_feature - The service you're trying to reach is disconnected.
  • errors/invalid_credentials_but_valid_account_imap - IMAP/SMTP credentials are invalid but the account is otherwise valid.
  • errors/expired_link - This link has expired. Generate a new one.
  • errors/wrong_account - The provided credentials do not match the correct account.
403 Forbidden9 types

Authenticated but the account is restricted or the action is not allowed.

  • errors/account_restricted - The account has been restricted by the provider.
  • errors/account_mismatch - This action cannot be done with your account.
  • errors/insufficient_permissions - Valid authentication but insufficient permissions to perform the request.
  • errors/session_mismatch - Token user id does not match client session id.
  • errors/feature_not_subscribed - The requested feature has not been subscribed or authenticated properly.
  • errors/subscription_required - A subscription is required to use this feature.
  • errors/unknown_authentication_context - An additional step seems necessary to complete login.
  • errors/action_required - An additional step is required.
  • errors/resource_access_restricted - You don't have access to this resource.
404 Not Found2 types

The attendee id does not match any attendee visible to this API key.

  • errors/resource_not_found - The requested attendee was not found.
  • errors/invalid_resource_identifier - The provided identifier is not a valid attendee id.
500 Internal Server Error3 types

Something went wrong on our side or with the upstream provider.

  • errors/unexpected_error - Something went wrong.
  • errors/provider_error - The provider is experiencing operational problems. Retry later.
  • errors/authentication_intent_error - The current authentication intent was killed after failure.
503 Service Unavailable5 types

postpress is temporarily unable to handle the request.

  • errors/no_client_session - No client session is currently running.
  • errors/no_channel - No channel to client session.
  • errors/no_handler - Handler missing for that request.
  • errors/network_down - Network is down on the server side. Retry shortly.
  • errors/service_unavailable - Service temporarily unavailable. Retry later.
504 Gateway Timeout1 types

The upstream provider did not respond in time.

  • errors/request_timeout - Request timed out. Retry, and contact support if it persists.
Updated May 2026