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POST/v1/cards/{card_id}/comments

Add a comment

comment_card

Adds a comment to the card. An “@login” in the text sends a mention notification to that user if they can read the card.

Authentication

Send an API key in the Authorization header: Authorization: Bearer <key>.

Path parameters

  • card_idstringrequired

Header parameters

  • Idempotency-Keystring

    Key for a safe retry of a write: 1 to 255 printable ASCII characters; a UUID v4 per logical operation is recommended. A retry with the same key within 24 hours does not run the operation again: it returns the saved response (status, headers and body) with the Idempotency-Replayed: true header. The same key with a different method, path, Content-Type or body returns 409 api.idempotency_mismatch; while the first request is still running, 409 api.idempotency_in_progress with Retry-After: 1. After a 5xx or 429 response the key is released, and a retry runs the operation again. The key is scoped to the organization and the caller (API key, user, or custom source key).

    length ≥ 1, length ≤ 255

  • X-View-Asstring

    For API keys with the admin role only. Makes the request as the data profile <profile>[:viewer|verifier|editor], for example employee:viewer. The installation key cannot use this header (403).

Cookie parameters

  • kb_view_asstring

    Cookie of the “View as” mode for a session. POST /auth/view-as sets it and DELETE /auth/view-as clears it.

Request body

application/json

Object: CommentRequest

  • bodystringrequired

    length ≥ 1, length ≤ 4000

Responses

200OK

Response headers

  • RateLimit-Policy

    Limits in effect, in the format of the IETF draft draft-ietf-httpapi-ratelimit-headers: comma-separated items "<name>";q=<quota>;w=<window in seconds>. key is the request rate of the API key (the quota is the burst, the window is the time to refill it fully; for a session it is user, without credentials ip); minute, day and month are the organization's quotas for the calendar minute, day and month in UTC.

  • RateLimit

    What is left of each limit in RateLimit-Policy: "<name>";r=<remaining>;t=<seconds until reset>.

  • X-RateLimit-Limit

    Limit of the strictest entry in RateLimit-Policy (the one with the fewest requests left).

  • X-RateLimit-Remaining

    Requests left under the strictest limit.

  • X-RateLimit-Reset

    Seconds until the strictest limit resets.

  • Idempotency-Replayed

    true means the response was replayed from the saved one for this Idempotency-Key: the operation did not run again.

application/json

Object: CommentWithMentions

  • idintegerrequired
  • card_idstringrequired
  • user_idinteger | nullrequired
  • user_namestring | null
  • bodystringrequired
  • created_atstring (date-time)required
  • mentionsarray of objectrequired
    Fields
    • idintegerrequired
    • usernamestringrequired
    • namestringrequired
401No credentials were sent (neither a session cookie nor an API key), or the key was not found.

Response headers

  • RateLimit-Policy

    Limits in effect, in the format of the IETF draft draft-ietf-httpapi-ratelimit-headers: comma-separated items "<name>";q=<quota>;w=<window in seconds>. key is the request rate of the API key (the quota is the burst, the window is the time to refill it fully; for a session it is user, without credentials ip); minute, day and month are the organization's quotas for the calendar minute, day and month in UTC.

  • RateLimit

    What is left of each limit in RateLimit-Policy: "<name>";r=<remaining>;t=<seconds until reset>.

  • X-RateLimit-Limit

    Limit of the strictest entry in RateLimit-Policy (the one with the fewest requests left).

  • X-RateLimit-Remaining

    Requests left under the strictest limit.

  • X-RateLimit-Reset

    Seconds until the strictest limit resets.

application/json

Object: Error

403The action is not allowed: the role is insufficient, there is no access to the collection or card, the request runs in “View as” mode, or the organization is suspended or deleted (`detail` is an object with `code: org_suspended | org_deleted`).

Response headers

  • RateLimit-Policy

    Limits in effect, in the format of the IETF draft draft-ietf-httpapi-ratelimit-headers: comma-separated items "<name>";q=<quota>;w=<window in seconds>. key is the request rate of the API key (the quota is the burst, the window is the time to refill it fully; for a session it is user, without credentials ip); minute, day and month are the organization's quotas for the calendar minute, day and month in UTC.

  • RateLimit

    What is left of each limit in RateLimit-Policy: "<name>";r=<remaining>;t=<seconds until reset>.

  • X-RateLimit-Limit

    Limit of the strictest entry in RateLimit-Policy (the one with the fewest requests left).

  • X-RateLimit-Remaining

    Requests left under the strictest limit.

  • X-RateLimit-Reset

    Seconds until the strictest limit resets.

application/json

Object: Error

404The object does not exist or is not available to you. The API does not confirm that a restricted object exists.

Response headers

  • RateLimit-Policy

    Limits in effect, in the format of the IETF draft draft-ietf-httpapi-ratelimit-headers: comma-separated items "<name>";q=<quota>;w=<window in seconds>. key is the request rate of the API key (the quota is the burst, the window is the time to refill it fully; for a session it is user, without credentials ip); minute, day and month are the organization's quotas for the calendar minute, day and month in UTC.

  • RateLimit

    What is left of each limit in RateLimit-Policy: "<name>";r=<remaining>;t=<seconds until reset>.

  • X-RateLimit-Limit

    Limit of the strictest entry in RateLimit-Policy (the one with the fewest requests left).

  • X-RateLimit-Remaining

    Requests left under the strictest limit.

  • X-RateLimit-Reset

    Seconds until the strictest limit resets.

application/json

Object: Error

422Validation error: the body or parameters do not match the schema (`detail` is a list of validation errors), or a parameter value is out of range (`detail` is a message).

Response headers

  • RateLimit-Policy

    Limits in effect, in the format of the IETF draft draft-ietf-httpapi-ratelimit-headers: comma-separated items "<name>";q=<quota>;w=<window in seconds>. key is the request rate of the API key (the quota is the burst, the window is the time to refill it fully; for a session it is user, without credentials ip); minute, day and month are the organization's quotas for the calendar minute, day and month in UTC.

  • RateLimit

    What is left of each limit in RateLimit-Policy: "<name>";r=<remaining>;t=<seconds until reset>.

  • X-RateLimit-Limit

    Limit of the strictest entry in RateLimit-Policy (the one with the fewest requests left).

  • X-RateLimit-Remaining

    Requests left under the strictest limit.

  • X-RateLimit-Reset

    Seconds until the strictest limit resets.

application/json

Object: Error

429Too many requests (`api.rate_limited`), the organization's quota for the minute, day or month is used up (`api.quota_exceeded`; `error.details` holds `quota`, `limit` and `reset_at`), the organization's limit is reached, or the answer service is busy (`answers.engine_busy`). Wait for the time in the `Retry-After` header.

Response headers

  • Retry-After

    Number of seconds to wait before you retry the request.

  • RateLimit-Policy

    Limits in effect, in the format of the IETF draft draft-ietf-httpapi-ratelimit-headers: comma-separated items "<name>";q=<quota>;w=<window in seconds>. key is the request rate of the API key (the quota is the burst, the window is the time to refill it fully; for a session it is user, without credentials ip); minute, day and month are the organization's quotas for the calendar minute, day and month in UTC.

  • RateLimit

    What is left of each limit in RateLimit-Policy: "<name>";r=<remaining>;t=<seconds until reset>.

  • X-RateLimit-Limit

    Limit of the strictest entry in RateLimit-Policy (the one with the fewest requests left).

  • X-RateLimit-Remaining

    Requests left under the strictest limit.

  • X-RateLimit-Reset

    Seconds until the strictest limit resets.

application/json

Object: Error

Error codes

Codes this endpoint can return in error.code, besides the general codes of every request.

Safe retries

Send an Idempotency-Key header (for example a UUID) with each POST and PATCH. A retry with the same key within 24 hours returns the saved response instead of running the request again.

Rate limits

Responses carry the RateLimit and RateLimit-Policy headers and the earlier X-RateLimit-Limit, X-RateLimit-Remaining and X-RateLimit-Reset. A 429 response has Retry-After in seconds: wait and retry.

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