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APIMarkets Feed

List feed

Lists the organization’s feed, newest filing date first: each filing that landed, was extracted or was superseded for a company the organization follows, with the company’s name and what the filing appended, and unseen_count, the events logged since the caller last marked the feed seen (0 for an API key). Pages by cursor: page on has_more, not on the page length. Needs a Market research subscription and markets:read.

Requires the markets:read scope. Rate limit: 200 requests per minute per key (the api lane).

Authentication

AuthorizationBearer

Bearer token. Use ss_live_… for live data or ss_test_… for the sandbox (test mode). See Authentication.

Headers

SpreadSpace-VersionstringOptionalformat: "^\d{4}-\d{2}-\d{2}$"

Pin the API version, e.g. 2026-10-07. Omit to get the latest. See Versioning.

Query parameters

cursorstringOptional

The next_cursor from the previous page; omit for the first page.

limitintegerOptional

Page size, 1 to 100; 50 when absent.

Response headers

X-Request-IDstringOptional
Correlation ID for this request. Quote it in support tickets.
SpreadSpace-VersionstringOptional

The API surface version the server resolved for this request. Always present, regardless of whether the client supplied the request-side SpreadSpace-Version header. Default: 2026-10-07.

RateLimit-Limitinteger

Request budget of the endpoint’s rate-limit policy per 60-second sliding window. See Rate limits.

RateLimit-Remaininginteger

Requests left in the current window. Suppressed on 429 responses produced outside the rate limiter (for example a usage throttle), where a remaining budget would be misleading.

RateLimit-Resetinteger

Seconds until a guaranteed-fresh window.

RateLimit-PolicystringOptional

The active policy in limit;w=window-seconds form.

Response

OK
datalist of objects
The page of events, newest filing date first.
has_moreboolean
True when another page follows this one, false on the last page.
unseen_countinteger

The feed’s events that are not historical and were logged after the member last marked the feed seen; 0 for an API key.

next_cursorstring or nullOptional

An opaque string to pass as cursor for the next page; null when there are no more events.

Errors

400
Bad Request Error
401
Unauthorized Error
403
Forbidden Error
404
Not Found Error
429
Too Many Requests Error
500
Internal Server Error