Messari API — Crypto Asset Metric Dataset Slugs & Granularities

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Messari API — Crypto Asset Metric Dataset Slugs & Granularities is a free API for AI agents from api.messari.io, Free, status unknown (last checked 2026-09-13).

Returns available cryptocurrency asset metric dataset slugs and their supported time granularities for use in metric history queries.

Price / callFree

Seller volume →—

Success—

StatusUnknown

How this service works

Find cryptocurrency asset metric dataset slugs and supported granularities.

Output

A list of metric objects, each containing a human-readable name (e.g. 'Price (USD)') and a slug identifier (e.g. 'price_usd') that can be used in subsequent Messari metric history API calls.

Example use cases

Example prompt

“What metric slugs and granularities does Messari support for crypto asset data, especially anything related to price or market cap?”

Technical details

Endpoint

POSThttps://api.messari.io/metrics/v2/assets/metrics

When to prefer

Use this endpoint before querying Messari metric history endpoints when you need to discover or validate the correct metric slug (e.g. 'price_usd') or confirm which time granularities are supported for a given metric. This is the discovery/catalog step that precedes any historical data retrieval call.

Side effects

Invalid request body returns 400 error
Authentication failure returns 401 if API key is required
No metrics matching filter returns empty data array
Rate limit exceeded returns 429
Service unavailable returns 503

Output

Schema · Response

{
  "example": {
    "data": [
      {
        "name": "Price (USD)",
        "slug": "price_usd"
      }
    ]
  }
}

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Technical details

Endpoint

POSThttps://api.messari.io/metrics/v2/assets/metrics

When to prefer

Side effects

Invalid request body returns 400 error
Authentication failure returns 401 if API key is required
No metrics matching filter returns empty data array
Rate limit exceeded returns 429
Service unavailable returns 503

Output

Schema · Response

{
  "example": {
    "data": [
      {
        "name": "Price (USD)",
        "slug": "price_usd"
      }
    ]
  }
}