Properties
| Name | Type | Description |
|---|---|---|
| createBlockTimestamp | number | |
| createBlockNumber | string | |
| blockchainId | string | |
| vmId | string | |
| subnetId | string | |
| blockchainName | string | |
| evmChainId | number | EVM Chain ID for the EVM-based chains. This field is extracted from genesis data, and may be present for non-EVM chains as well. |
| genesisData | object | The genesis data of the blockchain. Can be either a parsed EvmGenesisDto object or a raw JSON string. |
JSON Schema
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"$id": "https://raw.githubusercontent.com/api-evangelist/avalanche/main/json-schema/Blockchain.json",
"title": "Blockchain",
"type": "object",
"properties": {
"createBlockTimestamp": {
"type": "number"
},
"createBlockNumber": {
"type": "string"
},
"blockchainId": {
"type": "string"
},
"vmId": {
"type": "string"
},
"subnetId": {
"type": "string"
},
"blockchainName": {
"type": "string"
},
"evmChainId": {
"type": "number",
"description": "EVM Chain ID for the EVM-based chains. This field is extracted from genesis data, and may be present for non-EVM chains as well.",
"example": 43114
},
"genesisData": {
"description": "The genesis data of the blockchain. Can be either a parsed EvmGenesisDto object or a raw JSON string.",
"oneOf": [
{
"$ref": "#/components/schemas/EvmGenesisDto"
},
{
"type": "string",
"example": "{\"chainId\": 43114}"
}
],
"examples": {
"config": {
"chainId": 43114
}
}
}
},
"required": [
"createBlockTimestamp",
"createBlockNumber",
"blockchainId",
"vmId",
"subnetId",
"blockchainName"
]
}
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/Blockchain"
All schemas
curl "https://apis.io/api/v1/json-schemas?limit=25"
Discovery needs no key. Ratings and market analysis are Pro.
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.