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Inboxes

Inbox management operations.

POST /inboxes

Create an inbox

Creates a managed inbound mailbox at an address on one of your sending domains, so mail sent to it is received, parsed, and exposed through the API (and as inbound_email.received webhooks).

The first inbox on a domain provisions the inbound MX record and routing automatically; subsequent inboxes reuse it. If the address is ambiguous — the same domain name exists in more than one region under your account — the request is rejected with 422 and you should register a region-distinct subdomain.

Inboxes are governed by the domain scopes: requires the domains:write scope.

Request body

application/vnd.api+json — CreateInboxRequestDocument

Attribute
Type
Description
name required string
address required string
POST /inboxes
curl -X POST https://api.minimailer.app/inboxes \
  -H "Authorization: Bearer $MINIMAILER_API_TOKEN" \
  -H "Accept: application/vnd.api+json" \
  -H "Content-Type: application/vnd.api+json" \
  -d '{"data":{"type":"inboxes","attributes":{"name":"...","address":"..."}}}'

Responses

Status
Description
201 Inbox created. InboxDocument
401 Authentication is required. ErrorDocument
403 The authenticated token does not have permission to perform this action. ErrorDocument
415 The request Content-Type must be application/vnd.api+json, with no media type parameters other than profile (ext is rejected — no JSON:API extensions are supported — as is any other parameter such as charset). ErrorDocument
422 The request document failed validation. ValidationErrorDocument
409 The request conflicts with the endpoint or current state: the document's resource type does not match the endpoint, its id does not match the resource being updated, or an idempotency key was reused with a different payload. (Creating with a client-generated id and updating relationships on an endpoint that does not support them return 403 instead.) ErrorDocument
406 The Accept header mentions the JSON:API media type only in instances modified by disallowed media type parameters (or only with unsupported ext extensions), so no acceptable representation remains. ErrorDocument
429 The caller exceeded the API rate limit. ErrorDocument
GET /inboxes

List inboxes

Returns the authenticated user's inbound mailboxes, newest first, with the JSON:API sort, include, and sparse fields parameters. Requires the domains:read scope.

Parameters

Name
In
Description
sort query Comma-separated sort fields; prefix a field with - for descending, e.g. sort=-created_at,name. Defaults to newest-first. Only allow-listed fields are accepted; an unsupported sort returns 400.
include query Comma-separated related resources to embed in the response included member (JSON:API compound documents). Example: include=records,webhooks. Nested paths use dot notation, max depth 2. Relationships not declared by the resource, or over-deep paths, return 400.
fields query Per-type sparse fieldsets. Example: fields[domains]=name,status restricts the returned attributes for that type. The type must be present in the document and each field must be a known attribute, otherwise 400 is returned.
page query Cursor-based pagination, e.g. page[cursor]=eyJpZCI6...&page[size]=50. The cursor is an opaque token issued by the API — take it from the response's links.next / links.prev URLs or meta.next_cursor / meta.prev_cursor; never construct one. size defaults to 25 and is silently capped at 100 (out-of-range or non-numeric values fall back to the default). An invalid or expired cursor falls back to the first page; a cursor replayed with a different sort than it was issued under returns 400; unknown page members such as page[number] return 400. Follow links.next until it is null (or meta.has_more is false) to traverse a collection; links.first restarts traversal. Link URLs carry these parameters URL-encoded (page%5Bcursor%5D=...).
GET /inboxes
curl -X GET https://api.minimailer.app/inboxes \
  -H "Authorization: Bearer $MINIMAILER_API_TOKEN" \
  -H "Accept: application/vnd.api+json"

Responses

Status
Description
400 The include or fields query parameter is not supported (unknown relationship, over-deep include, or unknown sparse-fieldset type or field). ErrorDocument
200 Inboxes retrieved. InboxCollectionDocument
401 Authentication is required. ErrorDocument
403 The authenticated token does not have permission to perform this action. ErrorDocument
406 The Accept header mentions the JSON:API media type only in instances modified by disallowed media type parameters (or only with unsupported ext extensions), so no acceptable representation remains. ErrorDocument
429 The caller exceeded the API rate limit. ErrorDocument
GET /inboxes/{inbox}

Show an inbox

Returns a single inbound mailbox owned by the authenticated user, including its address and configuration. Requires the domains:read scope.

Parameters

Name
In
Description
include query Comma-separated related resources to embed in the response included member (JSON:API compound documents). Example: include=records,webhooks. Nested paths use dot notation, max depth 2. Relationships not declared by the resource, or over-deep paths, return 400.
fields query Per-type sparse fieldsets. Example: fields[domains]=name,status restricts the returned attributes for that type. The type must be present in the document and each field must be a known attribute, otherwise 400 is returned.
inbox required path The inbox identifier.
GET /inboxes/{inbox}
curl -X GET https://api.minimailer.app/inboxes/{inbox} \
  -H "Authorization: Bearer $MINIMAILER_API_TOKEN" \
  -H "Accept: application/vnd.api+json"

Responses

Status
Description
400 The include or fields query parameter is not supported (unknown relationship, over-deep include, or unknown sparse-fieldset type or field). ErrorDocument
200 Inbox retrieved. InboxDocument
401 Authentication is required. ErrorDocument
403 The authenticated token does not have permission to perform this action. ErrorDocument
404 The requested resource could not be found. ErrorDocument
406 The Accept header mentions the JSON:API media type only in instances modified by disallowed media type parameters (or only with unsupported ext extensions), so no acceptable representation remains. ErrorDocument
429 The caller exceeded the API rate limit. ErrorDocument
PATCH /inboxes/{inbox}

Update an inbox

Updates the mutable settings of an inbound mailbox owned by the authenticated user. The inbox address is immutable — create a new inbox to receive at a different address. Requires the domains:write scope.

Parameters

Name
In
Description
inbox required path The inbox identifier.

Request body

application/vnd.api+json — UpdateInboxRequestDocument

Attribute
Type
Description
name string
address string
PATCH /inboxes/{inbox}
curl -X PATCH https://api.minimailer.app/inboxes/{inbox} \
  -H "Authorization: Bearer $MINIMAILER_API_TOKEN" \
  -H "Accept: application/vnd.api+json" \
  -H "Content-Type: application/vnd.api+json" \
  -d '{"data":{"type":"inboxes","attributes":{"name":"...","address":"..."}}}'

Responses

Status
Description
200 Inbox updated. InboxDocument
401 Authentication is required. ErrorDocument
403 The authenticated token does not have permission to perform this action. ErrorDocument
404 The requested resource could not be found. ErrorDocument
415 The request Content-Type must be application/vnd.api+json, with no media type parameters other than profile (ext is rejected — no JSON:API extensions are supported — as is any other parameter such as charset). ErrorDocument
422 The request document failed validation. ValidationErrorDocument
409 The request conflicts with the endpoint or current state: the document's resource type does not match the endpoint, its id does not match the resource being updated, or an idempotency key was reused with a different payload. (Creating with a client-generated id and updating relationships on an endpoint that does not support them return 403 instead.) ErrorDocument
406 The Accept header mentions the JSON:API media type only in instances modified by disallowed media type parameters (or only with unsupported ext extensions), so no acceptable representation remains. ErrorDocument
429 The caller exceeded the API rate limit. ErrorDocument
DELETE /inboxes/{inbox}

Delete an inbox

Deletes an inbound mailbox owned by the authenticated user and stops receiving mail at its address. Inbound emails already received and stored remain retrievable. Requires the domains:write scope.

Parameters

Name
In
Description
inbox required path The inbox identifier.
DELETE /inboxes/{inbox}
curl -X DELETE https://api.minimailer.app/inboxes/{inbox} \
  -H "Authorization: Bearer $MINIMAILER_API_TOKEN" \
  -H "Accept: application/vnd.api+json"

Responses

Status
Description
204 Inbox deleted.
401 Authentication is required. ErrorDocument
403 The authenticated token does not have permission to perform this action. ErrorDocument
404 The requested resource could not be found. ErrorDocument
406 The Accept header mentions the JSON:API media type only in instances modified by disallowed media type parameters (or only with unsupported ext extensions), so no acceptable representation remains. ErrorDocument
429 The caller exceeded the API rate limit. ErrorDocument