line messaging

line.biz · Storage · 2 records · JSON

line messaging api content Storagefails: quotaemail?card?R
LINE Messaging API — message content endpoint Storagefails: quotanational-idno cardR

line messaging api content Storage

fails: quotaemail?card?R

developers.line.biz/en/docs/messaging-api/receiving-messages · rejected-provider · storage/line-messaging-api-content · JSON · compare

Free tier	Auto-deleted after an undisclosed period, no listing endpoint, token-only access. Cannot be addressed as storage even short-term. unit none; metered on none
Price	none stated
Per-object cap	not recorded
Retention	not recorded
Egress	not recorded
Identity	email (placeholder) not published
Binding	none no constraint of a named kind was recorded; the verdict rests on the quota sentence rather than on a named limit
Interface	unknown
Tooling	not recorded
Composes with	not recorded
Reliability	Auto-deleted after an undisclosed period, no listing endpoint, token-only access. Cannot be addressed as storage even short-term.
Notes	Auto-deleted after an undisclosed period, no listing endpoint, token-only access. Cannot be addressed as storage even short-term.
Evidence rung	reported
Checked	2026-10-21 (inherited); stale on 2026-11-04

Evidence (1)

date	source	what it proved
2026-10-21	developers.line.biz/en/docs/messaging-api/receiving-messages	Auto-deleted after an undisclosed period, no listing endpoint, token-only access. Cannot be addressed as storage even short-term.

More fields (1)

{
 "dead_end": {
  "failure_class": "retention",
  "why": "Auto-deleted after an undisclosed period, no listing endpoint, token-only access. Cannot be addressed as storage even short-term.",
  "retry_when": null,
  "first_recorded": "2026-10-21"
 }
}

Unknown or withheld values (15)

$.chaining not-recorded
$.confidence_note withheld
$.egress.terms not-recorded
$.extras.dead_end.retry_when process
$.free_tier.notes process
$.identity_cost.detail defaulted
$.identity_cost.kind identity-defaulted
$.interface interface-unknown
$.interface_detail withheld
$.limits_note process
$.per_object_cap.notes not-recorded
$.per_object_cap.stated not-recorded
$.retention.notes process
$.retention.stated not-recorded
$.tooling not-recorded

LINE Messaging API — message content endpoint Storage

fails: quotanational-idno cardR

developers.line.biz/en/docs/messaging-api/receiving-messages · messaging · storage/line-messaging-api-message-content-endpoint · JSON · compare

Free tier	No storage quota is offered at all. Content is a delivery mechanism, not a store. unit mixed; metered on stored-bytes
Price	none stated
Per-object cap	not stated
Retention	not stated
Egress	Retrieval is authenticated only: GET /v2/bot/message/{messageId}/content with a channel access token. No public URL is ever issued.
Identity	national-id derived from the record's prose, not from an identity field, and no signup was executed: ed objects after the fact without having logged every messageId yourself. Explicit auto-deletion with an undisclosed period: 'Content that users send is automatically deleted after a
Binding	none no constraint of a named kind was recorded; the verdict rests on the quota sentence rather than on a named limit
Interface	rest rest
Tooling	line-bot-sdk (Python/Node/Java/Go/PHP). The SDK exposes get_message_content() and nothing else — no listing, no expiry control, no bulk export.
Composes with	Not chainable: there is no enumeration API, so you cannot even address stored objects after the fact without having logged every messageId yourself.
Reliability	Undisclosed retention window plus no enumeration = data becomes unreachable silently. Cannot be used even as a 7-day cache reliably.
Notes	No storage quota is offered at all. Content is a delivery mechanism, not a store.
Evidence rung	reported One page read moves it to documented.
Checked	2026-10-21 (inherited); stale on 2026-11-04

Evidence (2)

date	source	what it proved
2026-10-21	developers.line.biz/en/docs/messaging-api/receiving-messages	read live: 'Content that users send is automatically deleted after a certain period of time.'
2026-10-21	api-data.line.me/v2/bot/message/1234567890/content	probe: GET -> 401 (token mandatory, anonymous read impossible)

More fields (1)

{
 "dead_end": {
  "failure_class": "quota",
  "why": "No storage quota is offered at all. Content is a delivery mechanism, not a store.",
  "retry_when": null,
  "first_recorded": "2026-10-21"
 }
}

Unknown or withheld values (6)

$.extras.dead_end.retry_when process
$.free_tier.notes process
$.per_object_cap.notes not-extracted
$.per_object_cap.stated not-extracted
$.retention.notes not-extracted
$.retention.stated not-extracted