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Changes a developer can see in the Wave public API, newest first. Dates are when the change was merged into the API code; an environment gets it at its next release. A change marked enabled per environment is not switched on in every environment yet; its pages say what you get where it is off.

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2026-10-14

  • Call velocity limit (enabled per environment): a call or callback can answer 429 with CALL_VELOCITY_EXCEEDED and a Retry-After header when your organization places calls too fast.

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2026-10-13

  • GET /v1/usage returns your call totals for a date range.
  • GET /v1/calls has a page mode (page, page_size, total_count) next to cursor paging, and the filters status, queue_id, from and to.

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2026-10-05

  • Graph call flows (enabled per environment): POST /v1/callflows accepts kind: "graph" definitions — nodes linked by next, for menus with more than one level.

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2026-10-04

  • Conferencing (enabled per environment): POST /v1/calls/{call_id}/conference, GET /v1/conferences/{conference_id} and POST /v1/conferences/{conference_id}/end, with the conference.* webhooks.

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2026-10-02

  • Call transfer (enabled per environment): POST /v1/calls/{call_id}/transfer and GET /v1/calls/{call_id}/transfers, with the call.transferred webhook.
  • In-call control for the agent leg (enabled per environment): the in-call control routes accept leg: "agent".

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2026-10-01

  • Caller brand for voice authentication (enabled per environment): GET /v1/voice-auth/brands; a challenge can carry a brand_id so the call says your name.

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2026-09-26

  • In-call control (enabled per environment): hang up, hold, unhold, mute, unmute, send DTMF, play audio, and start or stop recording on a live call (POST /v1/calls/{call_id}/…).

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2026-09-24

  • API key scopes are enforced on every route: a key can call only the routes its scopes allow; any other route answers 403. Each operation in the API Reference names the scope it needs.

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2026-09-07

  • Voicemail (enabled per environment): PUT /v1/numbers/{id}/voicemail, GET /v1/voicemails, GET /v1/voicemails/{id}, its recording link, mark as listened and delete, with the voicemail.received webhook.

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2026-09-02

  • Verify (one-time codes) (enabled per environment): POST /v1/verify, POST /v1/verify/check and GET /v1/verify/{id}, with the verify.completed webhook.

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2026-09-01

  • Voice authentication (enabled per environment): POST /v1/voice-auth/challenges and GET /v1/voice-auth/challenges/{id}, with the voice_auth.completed webhook. assurance: "number_match" asks the caller to key the digits shown in your app.

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2026-08-29

  • Call flows (IVR) (enabled per environment): create, list, read, update, delete and activate call flows, bind a flow to a number, and upload prompt audio (/v1/callflows).

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2026-08-26

  • WhatsApp messaging (enabled per environment): send messages, read message history, upload media, and manage templates (/v1/messages); bulk template sends (/v1/broadcasts) and contact groups (/v1/contact-groups, /v1/contacts); the message.* webhooks.
  • Caller ID check: a call or callback with a caller ID your organization does not own answers 403 with CLI_NOT_OWNED.

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2026-08-15

  • Virtual numbers (enabled per environment): POST /v1/virtual-numbers, list, read, release, and PUT /v1/virtual-numbers/{id}/instructions.

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2026-08-14

  • Queues: POST /v1/queues/agents/login, POST /v1/queues/agents/logout and GET /v1/queues/members.

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2026-08-03

  • Web callback widget: an embeddable click-to-call button for your website. See Web callback widget.

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2026-08-02

  • POST /v1/calls places an outbound call from your number (production keys).

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2026-07-31

  • Authentication menu: a call flow can ask the caller to press a key to confirm; the call.input webhook carries the choice.

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2026-07-24

  • GET /v1/calls/{call_id}/recording returns a time-limited download link for a call recording (production keys).

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2026-07-09

  • Scoped API keys: each API key carries scopes (for example calls:read, calls:write).

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2026-07-01

  • Callbacks: GET /v1/callbacks, GET /v1/callbacks/{id} and DELETE /v1/callbacks/{id} list, read and cancel callbacks; a cancel sends the call.cancelled webhook.
  • Sandbox call lifecycle: a sandbox callback to +966500000014 or +966500000015 sends simulated call.* webhooks (answered then ended, or missed).