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9fin ABF API

FeedSummary

object

Freshness of the ABF feed, for deciding whether to pull.

Poll this before requesting a full listing: if latest_updated_at has not
moved since your last pull, nothing changed and you can skip it. It is also
how you tell a quiet market from a stalled feed — a latest_updated_at that
stops advancing for longer than 9fin’s usual publishing rhythm means the
data is stale, not that nothing priced.

Example:{"changed_since":{"deals":3},"deals":{"latest_updated_at":"2026-08-21T09:14:02.117Z"}}

changed_sinceAny Of
required

Counts of rows changed in the window you asked for — at or after since, and at or before until when given. Null when since is omitted.

ChangedSinceobject

How much changed since the watermark you supplied.

Show Child Parameters
dealsobjectrequired

Freshness of /v0/abf/deals.

Show Child Parameters
Example