HyperEVM · Reference

OpenAPI document

The OpenAPI 3.1 contract of every REST call, public.

GET https://api.femtos.xyz/v1/openapi.json

Example

curl -H "Authorization: Bearer $FEMTOS_KEY" "https://api.femtos.xyz/v1/openapi.json"

Key: Authorization: Bearer $FEMTOS_KEY or X-API-KEY. Get a free key, or with no browser through agent onboarding.

Response fields

Related: Reference

• Freshness GET /v1/status
  Head and lag of each layer, measured now.
• Check your key GET /v1/whoami
  Answers the name your key is registered under, its tier, billing state and the limits in force.

More

• This page as Markdown
• Every HyperEVM endpoint
• The whole API in one Markdown file
• OpenAPI 3.1 document