---
title: "Changes to Send a read, working or typing signal about an email"
method: POST
path: "/emails/{id}/signal"
---

# Changes to Send a read, working or typing signal about an email

`POST /emails/{id}/signal`

> Every recorded change to this operation, newest first.
> 32 revisions in range; 1 not diffed.

## Timeline

Changed in 8 of 32 revisions.

- **2026-11-03** `bce409c97acb`: 186 warning
- **2026-10-21** `0360ea8d4f3d`: 78 warning
- **2026-10-21** `5279a7bed7ac`: 66 warning
- **2026-10-11** `8703ed0d6e71`: 1 info
- **2026-10-09** `6c9e8a907166`: 104 warning, 7 info
- **2026-10-07** `8c9748ec969b`: 6 warning, 1 info
- **2026-10-03** `30b2d7e672f4`: 30 warning, 1 info
- **2026-10-02** `5dbe94af418e`: 1 info

## Changes

- **2026-11-03** `bce409c97acb`: 186 warning
  - added the new `access_mode_unavailable` enum value to the `error/code` response property for the response status `400`
  - added the new `access_mode_unavailable` enum value to the `error/code` response property for the response status `401`
  - added the new `access_mode_unavailable` enum value to the `error/code` response property for the response status `403`
  - added the new `access_mode_unavailable` enum value to the `error/code` response property for the response status `404`
  - added the new `access_mode_unavailable` enum value to the `error/code` response property for the response status `422`
  - added the new `access_mode_unavailable` enum value to the `error/code` response property for the response status `429`
  - added the new `builtin_role` enum value to the `error/code` response property for the response status `400`
  - added the new `builtin_role` enum value to the `error/code` response property for the response status `401`
  - added the new `builtin_role` enum value to the `error/code` response property for the response status `403`
  - added the new `builtin_role` enum value to the `error/code` response property for the response status `404`
  - added the new `builtin_role` enum value to the `error/code` response property for the response status `422`
  - added the new `builtin_role` enum value to the `error/code` response property for the response status `429`
  - added the new `cleanup_incomplete` enum value to the `error/code` response property for the response status `400`
  - added the new `cleanup_incomplete` enum value to the `error/code` response property for the response status `401`
  - added the new `cleanup_incomplete` enum value to the `error/code` response property for the response status `403`
  - added the new `cleanup_incomplete` enum value to the `error/code` response property for the response status `404`
  - added the new `cleanup_incomplete` enum value to the `error/code` response property for the response status `422`
  - added the new `cleanup_incomplete` enum value to the `error/code` response property for the response status `429`
  - added the new `cli_access_refused` enum value to the `error/code` response property for the response status `400`
  - added the new `cli_access_refused` enum value to the `error/code` response property for the response status `401`
  - added the new `cli_access_refused` enum value to the `error/code` response property for the response status `403`
  - added the new `cli_access_refused` enum value to the `error/code` response property for the response status `404`
  - added the new `cli_access_refused` enum value to the `error/code` response property for the response status `422`
  - added the new `cli_access_refused` enum value to the `error/code` response property for the response status `429`
  - added the new `confirmation_required` enum value to the `error/code` response property for the response status `400`
  - added the new `confirmation_required` enum value to the `error/code` response property for the response status `401`
  - added the new `confirmation_required` enum value to the `error/code` response property for the response status `403`
  - added the new `confirmation_required` enum value to the `error/code` response property for the response status `404`
  - added the new `confirmation_required` enum value to the `error/code` response property for the response status `422`
  - added the new `confirmation_required` enum value to the `error/code` response property for the response status `429`
  - added the new `connection_owner_address_required` enum value to the `error/code` response property for the response status `400`
  - added the new `connection_owner_address_required` enum value to the `error/code` response property for the response status `401`
  - added the new `connection_owner_address_required` enum value to the `error/code` response property for the response status `403`
  - added the new `connection_owner_address_required` enum value to the `error/code` response property for the response status `404`
  - added the new `connection_owner_address_required` enum value to the `error/code` response property for the response status `422`
  - added the new `connection_owner_address_required` enum value to the `error/code` response property for the response status `429`
  - added the new `email_rule_author_only` enum value to the `error/code` response property for the response status `400`
  - added the new `email_rule_author_only` enum value to the `error/code` response property for the response status `401`
  - added the new `email_rule_author_only` enum value to the `error/code` response property for the response status `403`
  - added the new `email_rule_author_only` enum value to the `error/code` response property for the response status `404`
  - …146 more
  - …this revision’s changelog is incomplete
- **2026-10-21** `0360ea8d4f3d`: 78 warning
  - added the new `agent_changed` enum value to the `error/code` response property for the response status `400`
  - added the new `agent_changed` enum value to the `error/code` response property for the response status `401`
  - added the new `agent_changed` enum value to the `error/code` response property for the response status `403`
  - added the new `agent_changed` enum value to the `error/code` response property for the response status `404`
  - added the new `agent_changed` enum value to the `error/code` response property for the response status `422`
  - added the new `agent_changed` enum value to the `error/code` response property for the response status `429`
  - added the new `agent_limit` enum value to the `error/code` response property for the response status `400`
  - added the new `agent_limit` enum value to the `error/code` response property for the response status `401`
  - added the new `agent_limit` enum value to the `error/code` response property for the response status `403`
  - added the new `agent_limit` enum value to the `error/code` response property for the response status `404`
  - added the new `agent_limit` enum value to the `error/code` response property for the response status `422`
  - added the new `agent_limit` enum value to the `error/code` response property for the response status `429`
  - added the new `already_member` enum value to the `error/code` response property for the response status `400`
  - added the new `already_member` enum value to the `error/code` response property for the response status `401`
  - added the new `already_member` enum value to the `error/code` response property for the response status `403`
  - added the new `already_member` enum value to the `error/code` response property for the response status `404`
  - added the new `already_member` enum value to the `error/code` response property for the response status `422`
  - added the new `already_member` enum value to the `error/code` response property for the response status `429`
  - added the new `directory_limit` enum value to the `error/code` response property for the response status `400`
  - added the new `directory_limit` enum value to the `error/code` response property for the response status `401`
  - added the new `directory_limit` enum value to the `error/code` response property for the response status `403`
  - added the new `directory_limit` enum value to the `error/code` response property for the response status `404`
  - added the new `directory_limit` enum value to the `error/code` response property for the response status `422`
  - added the new `directory_limit` enum value to the `error/code` response property for the response status `429`
  - added the new `invitation_accepted` enum value to the `error/code` response property for the response status `400`
  - added the new `invitation_accepted` enum value to the `error/code` response property for the response status `401`
  - added the new `invitation_accepted` enum value to the `error/code` response property for the response status `403`
  - added the new `invitation_accepted` enum value to the `error/code` response property for the response status `404`
  - added the new `invitation_accepted` enum value to the `error/code` response property for the response status `422`
  - added the new `invitation_accepted` enum value to the `error/code` response property for the response status `429`
  - added the new `invitation_changed` enum value to the `error/code` response property for the response status `400`
  - added the new `invitation_changed` enum value to the `error/code` response property for the response status `401`
  - added the new `invitation_changed` enum value to the `error/code` response property for the response status `403`
  - added the new `invitation_changed` enum value to the `error/code` response property for the response status `404`
  - added the new `invitation_changed` enum value to the `error/code` response property for the response status `422`
  - added the new `invitation_changed` enum value to the `error/code` response property for the response status `429`
  - added the new `invitation_pending` enum value to the `error/code` response property for the response status `400`
  - added the new `invitation_pending` enum value to the `error/code` response property for the response status `401`
  - added the new `invitation_pending` enum value to the `error/code` response property for the response status `403`
  - added the new `invitation_pending` enum value to the `error/code` response property for the response status `404`
  - …38 more
- **2026-10-21** `5279a7bed7ac`: 66 warning
  - added the new `archive_busy` enum value to the `error/code` response property for the response status `400`
  - added the new `archive_busy` enum value to the `error/code` response property for the response status `401`
  - added the new `archive_busy` enum value to the `error/code` response property for the response status `403`
  - added the new `archive_busy` enum value to the `error/code` response property for the response status `404`
  - added the new `archive_busy` enum value to the `error/code` response property for the response status `422`
  - added the new `archive_busy` enum value to the `error/code` response property for the response status `429`
  - added the new `archive_invalid` enum value to the `error/code` response property for the response status `400`
  - added the new `archive_invalid` enum value to the `error/code` response property for the response status `401`
  - added the new `archive_invalid` enum value to the `error/code` response property for the response status `403`
  - added the new `archive_invalid` enum value to the `error/code` response property for the response status `404`
  - added the new `archive_invalid` enum value to the `error/code` response property for the response status `422`
  - added the new `archive_invalid` enum value to the `error/code` response property for the response status `429`
  - added the new `archive_limit_exceeded` enum value to the `error/code` response property for the response status `400`
  - added the new `archive_limit_exceeded` enum value to the `error/code` response property for the response status `401`
  - added the new `archive_limit_exceeded` enum value to the `error/code` response property for the response status `403`
  - added the new `archive_limit_exceeded` enum value to the `error/code` response property for the response status `404`
  - added the new `archive_limit_exceeded` enum value to the `error/code` response property for the response status `422`
  - added the new `archive_limit_exceeded` enum value to the `error/code` response property for the response status `429`
  - added the new `archive_unsafe_path` enum value to the `error/code` response property for the response status `400`
  - added the new `archive_unsafe_path` enum value to the `error/code` response property for the response status `401`
  - added the new `archive_unsafe_path` enum value to the `error/code` response property for the response status `403`
  - added the new `archive_unsafe_path` enum value to the `error/code` response property for the response status `404`
  - added the new `archive_unsafe_path` enum value to the `error/code` response property for the response status `422`
  - added the new `archive_unsafe_path` enum value to the `error/code` response property for the response status `429`
  - added the new `archive_unsupported` enum value to the `error/code` response property for the response status `400`
  - added the new `archive_unsupported` enum value to the `error/code` response property for the response status `401`
  - added the new `archive_unsupported` enum value to the `error/code` response property for the response status `403`
  - added the new `archive_unsupported` enum value to the `error/code` response property for the response status `404`
  - added the new `archive_unsupported` enum value to the `error/code` response property for the response status `422`
  - added the new `archive_unsupported` enum value to the `error/code` response property for the response status `429`
  - added the new `attachment_name_ambiguous` enum value to the `error/code` response property for the response status `400`
  - added the new `attachment_name_ambiguous` enum value to the `error/code` response property for the response status `401`
  - added the new `attachment_name_ambiguous` enum value to the `error/code` response property for the response status `403`
  - added the new `attachment_name_ambiguous` enum value to the `error/code` response property for the response status `404`
  - added the new `attachment_name_ambiguous` enum value to the `error/code` response property for the response status `422`
  - added the new `attachment_name_ambiguous` enum value to the `error/code` response property for the response status `429`
  - added the new `attachment_not_archive` enum value to the `error/code` response property for the response status `400`
  - added the new `attachment_not_archive` enum value to the `error/code` response property for the response status `401`
  - added the new `attachment_not_archive` enum value to the `error/code` response property for the response status `403`
  - added the new `attachment_not_archive` enum value to the `error/code` response property for the response status `404`
  - …26 more
- **2026-10-11** `8703ed0d6e71`: 1 info
  - added the optional property `allOf[subschema #2]/data/dedup_reason` to the response with the `200` status
- **2026-10-09** `6c9e8a907166`: 104 warning, 7 info
  - added the new `address_taken` enum value to the `error/code` response property for the response status `400`
  - added the new `address_taken` enum value to the `error/code` response property for the response status `401`
  - added the new `address_taken` enum value to the `error/code` response property for the response status `403`
  - added the new `address_taken` enum value to the `error/code` response property for the response status `404`
  - added the new `address_taken` enum value to the `error/code` response property for the response status `422`
  - added the new `address_taken` enum value to the `error/code` response property for the response status `429`
  - added the new `attachment_changed` enum value to the `error/code` response property for the response status `400`
  - added the new `attachment_changed` enum value to the `error/code` response property for the response status `401`
  - added the new `attachment_changed` enum value to the `error/code` response property for the response status `403`
  - added the new `attachment_changed` enum value to the `error/code` response property for the response status `404`
  - added the new `attachment_changed` enum value to the `error/code` response property for the response status `422`
  - added the new `attachment_changed` enum value to the `error/code` response property for the response status `429`
  - added the new `attachment_integrity_failed` enum value to the `error/code` response property for the response status `400`
  - added the new `attachment_integrity_failed` enum value to the `error/code` response property for the response status `401`
  - added the new `attachment_integrity_failed` enum value to the `error/code` response property for the response status `403`
  - added the new `attachment_integrity_failed` enum value to the `error/code` response property for the response status `404`
  - added the new `attachment_integrity_failed` enum value to the `error/code` response property for the response status `422`
  - added the new `attachment_integrity_failed` enum value to the `error/code` response property for the response status `429`
  - added the new `attachment_limit_exceeded` enum value to the `error/code` response property for the response status `400`
  - added the new `attachment_limit_exceeded` enum value to the `error/code` response property for the response status `401`
  - added the new `attachment_limit_exceeded` enum value to the `error/code` response property for the response status `403`
  - added the new `attachment_limit_exceeded` enum value to the `error/code` response property for the response status `404`
  - added the new `attachment_limit_exceeded` enum value to the `error/code` response property for the response status `422`
  - added the new `attachment_limit_exceeded` enum value to the `error/code` response property for the response status `429`
  - added the new `attachment_not_ready` enum value to the `error/code` response property for the response status `400`
  - added the new `attachment_not_ready` enum value to the `error/code` response property for the response status `401`
  - added the new `attachment_not_ready` enum value to the `error/code` response property for the response status `403`
  - added the new `attachment_not_ready` enum value to the `error/code` response property for the response status `404`
  - added the new `attachment_not_ready` enum value to the `error/code` response property for the response status `422`
  - added the new `attachment_not_ready` enum value to the `error/code` response property for the response status `429`
  - added the new `attachment_storage_unavailable` enum value to the `error/code` response property for the response status `400`
  - added the new `attachment_storage_unavailable` enum value to the `error/code` response property for the response status `401`
  - added the new `attachment_storage_unavailable` enum value to the `error/code` response property for the response status `403`
  - added the new `attachment_storage_unavailable` enum value to the `error/code` response property for the response status `404`
  - added the new `attachment_storage_unavailable` enum value to the `error/code` response property for the response status `422`
  - added the new `attachment_storage_unavailable` enum value to the `error/code` response property for the response status `429`
  - added the new `canceled` enum value to the `allOf[subschema #2]/data/status` response property for the response status `200`
  - added the new `content_discarded` enum value to the `error/code` response property for the response status `400`
  - added the new `content_discarded` enum value to the `error/code` response property for the response status `401`
  - added the new `content_discarded` enum value to the `error/code` response property for the response status `403`
  - …71 more
- **2026-10-07** `8c9748ec969b`: 6 warning, 1 info
  - added the new `pull_subscription_requires_agent_connection` enum value to the `error/code` response property for the response status `400`
  - added the new `pull_subscription_requires_agent_connection` enum value to the `error/code` response property for the response status `401`
  - added the new `pull_subscription_requires_agent_connection` enum value to the `error/code` response property for the response status `403`
  - added the new `pull_subscription_requires_agent_connection` enum value to the `error/code` response property for the response status `404`
  - added the new `pull_subscription_requires_agent_connection` enum value to the `error/code` response property for the response status `422`
  - added the new `pull_subscription_requires_agent_connection` enum value to the `error/code` response property for the response status `429`
  - added the optional property `allOf[subschema #2]/data/idempotency` to the response with the `200` status
- **2026-10-03** `30b2d7e672f4`: 30 warning, 1 info
  - added the new `not_a_repeating_send` enum value to the `error/code` response property for the response status `400`
  - added the new `not_a_repeating_send` enum value to the `error/code` response property for the response status `401`
  - added the new `not_a_repeating_send` enum value to the `error/code` response property for the response status `403`
  - added the new `not_a_repeating_send` enum value to the `error/code` response property for the response status `404`
  - added the new `not_a_repeating_send` enum value to the `error/code` response property for the response status `422`
  - added the new `not_a_repeating_send` enum value to the `error/code` response property for the response status `429`
  - added the new `repeat_idle_requires_internal_recipient` enum value to the `error/code` response property for the response status `400`
  - added the new `repeat_idle_requires_internal_recipient` enum value to the `error/code` response property for the response status `401`
  - added the new `repeat_idle_requires_internal_recipient` enum value to the `error/code` response property for the response status `403`
  - added the new `repeat_idle_requires_internal_recipient` enum value to the `error/code` response property for the response status `404`
  - added the new `repeat_idle_requires_internal_recipient` enum value to the `error/code` response property for the response status `422`
  - added the new `repeat_idle_requires_internal_recipient` enum value to the `error/code` response property for the response status `429`
  - added the new `repeat_recipient_external` enum value to the `error/code` response property for the response status `400`
  - added the new `repeat_recipient_external` enum value to the `error/code` response property for the response status `401`
  - added the new `repeat_recipient_external` enum value to the `error/code` response property for the response status `403`
  - added the new `repeat_recipient_external` enum value to the `error/code` response property for the response status `404`
  - added the new `repeat_recipient_external` enum value to the `error/code` response property for the response status `422`
  - added the new `repeat_recipient_external` enum value to the `error/code` response property for the response status `429`
  - added the new `repeat_stop_not_allowed` enum value to the `error/code` response property for the response status `400`
  - added the new `repeat_stop_not_allowed` enum value to the `error/code` response property for the response status `401`
  - added the new `repeat_stop_not_allowed` enum value to the `error/code` response property for the response status `403`
  - added the new `repeat_stop_not_allowed` enum value to the `error/code` response property for the response status `404`
  - added the new `repeat_stop_not_allowed` enum value to the `error/code` response property for the response status `422`
  - added the new `repeat_stop_not_allowed` enum value to the `error/code` response property for the response status `429`
  - added the new `repeat_unsupported` enum value to the `error/code` response property for the response status `400`
  - added the new `repeat_unsupported` enum value to the `error/code` response property for the response status `401`
  - added the new `repeat_unsupported` enum value to the `error/code` response property for the response status `403`
  - added the new `repeat_unsupported` enum value to the `error/code` response property for the response status `404`
  - added the new `repeat_unsupported` enum value to the `error/code` response property for the response status `422`
  - added the new `repeat_unsupported` enum value to the `error/code` response property for the response status `429`
  - added the optional property `allOf[subschema #2]/data/repeat_id` to the response with the `200` status
- **2026-10-02** `5dbe94af418e`: 1 info
  - endpoint added

---

[Operation](https://skmtc.dev/primitive/apis/primitive-api/docs/emails/:id/signal/post.md) - [API](https://skmtc.dev/primitive/apis/primitive-api.md) - [Page](https://skmtc.dev/primitive/apis/primitive-api/changes/emails/:id/signal/post)
