From 08:30 GMT on Monday 23 November 2026, V1 document download links move to document.kyckr.com and carry an expiry time and a signature token. Links in the old format stop working on 23 December 2026.
By 08:30 GMT on Monday 23 November 2026, the links that the V1 API returns for downloading documents change to a new format:
The host changes from download.kyckr.com to document.kyckr.com.
Each link carries an expires parameter and a token parameter.
Each link is valid for 30 days from the time Kyckr issues it.
The new format applies to PDF documents and to structured JSON documents.
Action required: make sure that your integration can process the new URL before 08:30 GMT on Monday 23 November 2026. Links in the old download.kyckr.com format stop working on 23 December 2026.
The time at which the link stops working, as a Unix timestamp in seconds (UTC). In the examples above, 1796567069 is 6 December 2026, 14:24:29 UTC: 30 days after the link was issued.
token
A signature that Kyckr generates for the link. Do not change or remove it.
Use the link exactly as the API returns it. Do not build download links yourself from a file ID. Do not change, decode, re-encode or remove the query string.
Send no extra headers. The download request needs no Authorization header, cookie or other credential. The signed link is enough.
Download and store documents within 30 days. A link stops working 30 days after it is issued, and Kyckr does not issue a new link for the same document. If you need a document after that time, download and store the file before the link expires.
Allow the new host. If your network restricts outbound traffic to a list of known hosts, add document.kyckr.com before 08:30 GMT on Monday 23 November 2026.
Download documents from stored old-format links before 23 December 2026. Links in the download.kyckr.com format stop working on that date and return 403. Kyckr does not issue new links for them.
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