GET /v1/transitions

Companies that adopted, dropped or switched a technology in a crawl month.

Change detection needs a technology to appear consistently from month to month. Where a vendor has changed how their tag loads, comparison is unreliable and we withhold the feed for it rather than publish departures that did not happen.

Events

dropped event

Technology gone, no replacement observed.

switched event

Gone, and a technology sharing its category appeared the same month. Both sides observed.

adopted event

Newly detected.

upgraded event

Version string changed.

Status

confirmed is the default: the change persisted into the following crawl. provisional is a single-month observation and reverses about 9% of the time. Opt in deliberately.

Example

curl "https://www.ansafi.com/api/v1/transitions?technology=HubSpot\
&event=switched&status=confirmed&employee_range=51-200&country=US" \
  -H "Authorization: Bearer $ANSAFI_KEY"

Ordering

Newest crawl month first, stable by id within a month. Cursor encodes both, so pagination cannot skip or duplicate a row at a month boundary.