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Deprecated, no dateSubscribe to OpenCorporates APIShare

OpenCorporates API deprecated the query parameter dissolved_since on the GET /v0.4/companies/search endpoint without a shutdown date. Calls passing this parameter to restrict to companies with a dissolution date after a given date are marked for removal. Requests using the parameter fail.

Calls it hits

GET /v0.4/companies/search
query parameter dissolved_since

What to use instead of these calls

Use the dissolution_date date filter instead, formatted as dissolution_date=YYYY-MM-DD:.

In OpenCorporates API's words

Deprecated Restrict to companies with a dissolution_date after the given date

OpenCorporates API, Announcement

Facts

API: OpenCorporates API api.opencorporates.com
Kind: Parameter removal
Takes effect: No date given yet
Calls after that day: Fail
Source: Announcement
Last updated: October 25, 2026
Verified: November 6, 2026, against OpenCorporates API's own pages

Questions

When does this change take effect?

OpenCorporates API deprecated GET /v0.4/companies/search, query parameter dissolved_since without giving a shutdown date yet.

Do these calls still work?

Yes, they still work: OpenCorporates API has not given a shutdown date yet.

How do I find the calls this hits in my code?

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