Bidledger
Government
Every open public tender in the European Union, rebuilt daily from the official TED data
The Federal Register API provides access to data from the Federal Register, allowing users to fetch single or multiple documents, perform searches, and access metadata associated with these documents. This API returns data in both CSV and JSON formats, and no API keys are required for use.
Verified 4 days ago: 100% uptime
API key
Not required
HTTPS
Supported
Browser calls
No, needs a proxy
Status
Live · 100/100
Last checked 2026-09-18. Measured independently, not self-reported by the provider.
A starting template for Federal Register. Replace ENDPOINT with the path from the official documentation, which we link above rather than guess at.
# No authentication required.
curl -s "https://www.federalregister.gov/ENDPOINT" \
-H "Accept: application/json"This API does not send CORS headers, so a browser will block a direct call from your front end. Call it from your server, or put a small proxy in front of it.
Aggregated from 2 public sources (freepublicapis, public-apis), then normalised and checked by us. If something here is wrong, tell us and we will correct it.
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Answered from what our own scheduled checks found, not from the provider's marketing.
Federal Register is listed in our free catalogue and required no credential when we called it. It needs no authentication at all, so you can send a request without signing up. Free tiers can still carry rate limits or non-commercial terms, so check the provider's own terms before shipping.
No. We called Federal Register on 2026-09-18 with no key, no token and no Authorization header, and it responded. That is what puts it in our no-key collection.
Not directly. Federal Register did not return CORS headers when we checked, so the browser will block your page from reading the response even though the request itself succeeds. Call it from a server, or put a small proxy in front of it.
Yes, as of 2026-09-18. Our automated check reached Federal Register and recorded a 100% reliability score with a median response time of 1441 ms. We re-check on a schedule, and this page updates with the result.
Yes. Federal Register serves over HTTPS, so you can call it from a secure page without triggering a mixed-content block.