Developers
4626.fun developer resources
This page is the named index for 4626.fun machine interfaces. Use it when an agent or integrator searches for 4626.fun API docs, OpenAPI, auth, webhooks, or CLI. Creator vaults are pre-launch. Read endpoints are public and rate-limited. Build and write endpoints require a session or SIWA.
API and specs
OpenAPI JSONhttps://4626.fun/openapi.json is the canonical Agent API specification. Also served at /api/v1/spec.json.
OpenAPI YAMLhttps://4626.fun/api/openapi.yaml is the same document for YAML clients.
AuthGET reads need no auth. POST build/write routes need a 4626.fun session cookie or SIWA. There is no public API key.
WebhooksLottery ingest and chat bridges are machine-authenticated internals, not a public subscriber webhook product. Do not register third-party callback URLs here.
Agent discovery
llms.txthttps://4626.fun/llms.txt tells agents when to use 4626.fun and where the markdown pages live.
Sitemaphttps://4626.fun/sitemap.xml lists indexable URLs.
ERC-8004agent-registration.json and erc8004.json are the registration and domain-verification mirrors.
A2A cardagent-card.json is the agent-to-agent card.
DocsHuman protocol docs live at docs.4626.fun.
CLIRead-only client:
npx 4626 --help. Commands wrap public GET endpoints only.