Changelog

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2026-10-09

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Changed

• Updated the employee contract with required kind: human | ai in Public API employee responses and webhook Employee objects.
• Documented Telegram Account channels with webhook type telegram_account, recipient identities, and sending restrictions.
• Updated attachment contracts for MAX, VK, and Telegram Account, including optional accessMode and the separate VK provider-history descriptor format.
• Added optional message version to the Public API ticket history reference.
• Documented photo and document sending in Embed for Telegram Bot, Telegram Account, MAX, and Email, with channel-specific limits.
• Removed outdated email attachment limitations and documented outgoing file retention.
• Clarified AI assignment of newly created tickets, imported history, and access to stored history after a channel is disconnected.

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2026-09-04

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Added

• Added optional ticket attribution to Public API ticket history and webhook ticket objects. Instagram tickets created from an Ads referral currently include attribution.ad_id.

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2026-09-02

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Added

• Added attachment descriptors for new email, Facebook, and Instagram messages in Public API ticket history and message webhooks.

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2026-09-01

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Added

• Added attachment descriptors for new Telegram messages in Public API ticket history and message webhooks.
• Added optional mediaGroupId to Public API ticket history messages for grouping Telegram album items.

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2026-08-26

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Changed

• Ticket status and assignee mutations can return 409 when concurrent changes cause a state conflict.

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2026-08-11

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Added

• Added email as a company channel for incoming and outgoing conversations, including the Embed outbound composer.
• Added optional email subject data to Public API ticket history messages and webhook message objects.
• Added optional client.email data and the email channel type to message webhooks.

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2026-08-06

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Changed

• Public API access and new outbound chat initiation are now subject to the company’s current plan.

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2026-07-28

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Added

• Added Public API v1 endpoints for managing contacts and contact lists, including bulk contact creation and deletion, merging contacts, and list membership operations.

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2026-07-27

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Added

• Added PATCH /v1/tickets/{ticketId}/assignee for changing the assignee of the current active ticket.
• Added the startOutboundChat Embed capability and the chat.created iframe event containing the resulting chatId.

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2026-05-12

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Added

• Published YoLead developer documentation.
• Added Public API v1 OpenAPI reference.
• Documented HMAC authentication for REST requests.
• Documented webhook delivery, events, and signature verification.
• Documented Embed iframe sessions, capabilities, and examples.