Chord · Schema
Coverage
How fresh and how deep the rolled-up data is. Trust these flags, not the clock.
FinanceTradingArtificial IntelligenceCryptocurrency
Properties
| Name | Type | Description |
|---|---|---|
| recentAt | integernull | Unix time, seconds, UTC. |
| stale | boolean | True when the most recent rolled-up hour is older than the lane's freshness bar. |
| floorHour | integernull | Oldest hour the rollup has reached so far. |
| genesisHour | integernull | The chain's first indexed hour. |
| backfillComplete | boolean | True once the rollup reaches genesis — before that, long windows undercount. |
JSON Schema
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"$id": "https://artifacts.apis.io/getchord-xyz/json-schema/getchord-xyz-coverage-schema.json",
"title": "Coverage",
"description": "How fresh and how deep the rolled-up data is. Trust these flags, not the clock.",
"x-generated": "2026-11-10",
"x-method": "derived",
"x-generator": "derive-json-schema.py",
"x-source": "openapi/getchord-xyz-arc-data-api-openapi.yml#/components/schemas/Coverage",
"type": "object",
"properties": {
"recentAt": {
"type": [
"integer",
"null"
],
"description": "Unix time, seconds, UTC."
},
"stale": {
"type": "boolean",
"description": "True when the most recent rolled-up hour is older than the lane's freshness bar."
},
"floorHour": {
"type": [
"integer",
"null"
],
"description": "Oldest hour the rollup has reached so far."
},
"genesisHour": {
"type": [
"integer",
"null"
],
"description": "The chain's first indexed hour."
},
"backfillComplete": {
"type": "boolean",
"description": "True once the rollup reaches genesis — before that, long windows undercount."
}
}
}
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/getchord-xyz-coverage"
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.