Chain metadata & endpoint guide

Code snippets

curl "https://api.oanor.com/provenance-api/v1/meta" \
  -H "x-oanor-key: oanor_test_..."

await fetch("https://api.oanor.com/provenance-api/v1/meta", {
  headers: { "x-oanor-key": "oanor_test_..." }
});

$ch = curl_init("https://api.oanor.com/provenance-api/v1/meta");
curl_setopt($ch, CURLOPT_HTTPHEADER, ["x-oanor-key: oanor_test_..."]);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$out = curl_exec($ch);

import requests
requests.get(
    "https://api.oanor.com/provenance-api/v1/meta",
    headers={"x-oanor-key": "oanor_test_..."}
)

Example response

A real response from this endpoint, captured by the latest health check.

{
    "data": {
        "chain": "pio-mainnet-1",
        "token": "HASH",
        "source": "Provenance public Cosmos REST/LCD, keyless (3-mirror)",
        "network": "Provenance Blockchain",
        "decimals": 9,
        "examples": {
            "marker": "/v1/marker?denom=nhash",
            "holders": "/v1/holders?denom=nhash&limit=20",
            "markers": "/v1/markers?limit=20"
        },
        "endpoints": {
            "/v1/block": "latest block (height, time, chain_id)",
            "/v1/marker": "full marker detail incl. access-control & required attributes (denom)",
            "/v1/supply": "total HASH supply",
            "/v1/holders": "address-level holders of a marker (denom, limit)",
            "/v1/markers": "registry of on-chain markers (tokenized assets / restricted security tokens; limit)",
            "/v1/staking": "staking pool, bonded ratio and params",
            "/v1/validators": "bonded validator set ranked by voting power (limit)"
        },
        "micro_denom": "nhash",
        "cache_ttl_ms": 20000
    },
    "meta": {
        "timestamp": "2026-06-15T02:10:17.270Z",
        "request_id": "6acbe2bf-a8fd-4d09-82b3-59cf89e5ee3e"
    },
    "status": "ok",
    "message": "Meta",
    "success": true
}