Properties
| Name | Type | Description |
|---|---|---|
| registration_id | string | |
| registration_type | object | |
| identity_assertion | string | Service-signed JWT; exchange it at /oauth2/token |
| assertion_expires | string | |
| pre_claim_scopes | array | |
| claim_url | string | Only when the claim ceremony is available |
| claim_token | string | Returned once |
| claim_token_expires | string | |
| post_claim_scopes | array | |
| tenant_id | string |
JSON Schema
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"$id": "https://artifacts.apis.io/esyurl-fyi/json-schema/esyurl-fyi-agent-registration-schema.json",
"title": "AgentRegistration",
"x-generated": "2026-11-10",
"x-method": "derived",
"x-generator": "derive-json-schema.py",
"x-source": "openapi/esyurl-fyi-auth-api-openapi.yml#/components/schemas/AgentRegistration",
"type": "object",
"properties": {
"registration_id": {
"type": "string"
},
"registration_type": {
"const": "anonymous"
},
"identity_assertion": {
"type": "string",
"description": "Service-signed JWT; exchange it at /oauth2/token"
},
"assertion_expires": {
"type": "string",
"format": "date-time"
},
"pre_claim_scopes": {
"type": "array",
"items": {
"type": "string"
}
},
"claim_url": {
"type": "string",
"description": "Only when the claim ceremony is available"
},
"claim_token": {
"type": "string",
"description": "Returned once"
},
"claim_token_expires": {
"type": "string",
"format": "date-time"
},
"post_claim_scopes": {
"type": "array",
"items": {
"type": "string"
}
},
"tenant_id": {
"type": "string"
}
}
}
Work with this as data
Every JSON Schema here is available over the APIs.io API and to AI agents over MCP.
MCP server
One button, every client — Claude, Cursor, VS Code and the rest.
https://apis.io/mcp
Tools for schemas
4 MCP tools reach this
find_json_schemasBrowse and filter every JSON Schema in the catalog.apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.resolveTurn a domain, URL or GitHub org into the provider it belongs to.find_cohortsEvery scored population of providers in the catalog.
Call it yourself
curl for this page
This JSON Schema
curl "https://apis.io/api/v1/json-schemas/esyurl-fyi-agent-registration"
All schemas
curl "https://apis.io/api/v1/json-schemas?limit=25"
Calls without X-API-Key need no key. Calls with it need a paid plan — get a key.
Get an API key
Free tier, no form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.
A second provider on the same verified email joins the account you already have.