HE
Helious Public API
Economic data, Treasury yields, auctions and FOMC schedule, with a keyless tier and tiered access
57 operations1 schema2 revisions
Changes
Full historySource
View schema- Spec
- OpenAPI 3.1.0
- Document
- helious.io · JSON, 89 KB
- Retrieved
- Oct 20, 2026, 00:03 UTC
- Digest
- 06bada17ad7a
For agents
Every page here has a markdown twin. The overview is one fetch; the llms.txt lists every operation with a link to its own markdown.
curl https://skmtc.dev/helious/apis/helious-public-api.mdcurl https://skmtc.dev/helious/apis/helious-public-api/llms.txt