---
title: "Helious Public API"
account: helious
slug: helious-public-api
---

# Helious Public API

Economic data, Treasury yields, auctions and FOMC schedule, with a keyless tier and tiered access

- Operations: 57
- Versions: 2 (latest `06bada17ad7a`)
- Source: https://helious.io/.well-known/openapi-public.json
- OpenAPI document: https://skmtc.dev/helious/apis/helious-public-api/revisions/06bada17ad7a?raw

## Operations

57 in total, by tag:

- Your key (2)
- Rates and curve (8)
- Boards (16)
- Economic data (10)
- Series (2)
- Treasury auctions (6)
- News and feed (4)
- The Fed (2)
- Reference (1)
- Agent sign-in and A2A (6)

Every operation, with a link to its markdown: https://skmtc.dev/helious/apis/helious-public-api/llms.txt