List Call History
Returns a paginated list of calls — inbound and outbound — for a sub-account.
https://api.vantaxai.com/v1/callsCalls are returned newest-first (by start time). Filter by `direction`, `status`, or `agent_id`, narrow to a window with `start_date` / `end_date`, or `search` across phone numbers, contact names, transcripts, and AI summaries. Use `page` and `limit` to page through large collections.
Headers
AuthorizationstringrequiredBearer authentication with your secret API key.
example: Bearer vx_live_3fa9c2…
Query Parameters
sub_account_idstringrequiredThe sub-account to list calls for.
example: sub_8a1f4c2e
pageintegeroptional1-based page number. Defaults to 1.
example: 1
limitintegeroptionalNumber of records per page (1–100). Defaults to 20.
example: 20
directionstringoptionalFilter by call direction.
inboundoutboundexample: inbound
statusstringoptionalFilter by call status.
initiatedringingin_progresscompletedfailedno_answerbusyexample: completed
agent_idstringoptionalOnly return calls handled by this Agent.
example: agt_3d9b21
searchstringoptionalFree-text search across phone numbers, contact name/email, transcript, and AI summary.
example: refund
start_datestringoptionalOnly return calls started at or after this ISO-8601 timestamp.
example: 2026-06-01T00:00:00Z
end_datestringoptionalOnly return calls started at or before this ISO-8601 timestamp.
example: 2026-06-10T23:59:59Z