# Messari API — Hourly Blockchain Network Metric Time-Series

> Messari API — Hourly Blockchain Network Metric Time-Series is a paid API for AI agents from api.messari.io, paid per call via x402, $0.18/call, status unknown (last checked 2026-09-15).

Returns hourly time-series data for a specified blockchain network metric, enabling intraday analysis of on-chain activity.

## Facts

- Endpoint: GET https://api.messari.io/metrics/v2/networks/*/metrics/*/time-series/1h
- Price: $0.18/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/messari-api-hourly-blockchain-network-metric-time-series-464b1f12
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_WcFCkWUFozmW5V4Bgez4y

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability messari-api-hourly-blockchain-network-metric-time-series-464b1f12
```

Example prompt: Pull the hourly transaction count (tx_count) for Ethereum from Messari from January 1 2025 to January 7 2025 so I can analyze intraday network activity patterns.

## When to prefer this

Use this endpoint when you need intraday (hourly) granularity for blockchain network metrics — ideal for short-term trend analysis, intraday monitoring, or feeding ML models that require sub-daily resolution. Prefer the 5m or 15m siblings for higher frequency signals, or the daily endpoint for long-term trend analysis. This endpoint is specific to network-level metrics (not asset price or stablecoin metrics).

## Known failure modes

- Invalid network identifier returns 404 or empty result
- Unknown or unsupported datasetSlug returns an error
- Start/end date range exceeds allowed lookback window
- Malformed ISO-8601 date strings cause 400 bad request
- Insufficient API credits or unpaid x402 payment returns 402 Payment Required
- Rate limiting if too many calls in rapid succession

## How this service works

Get hourly blockchain network metric history for intraday analysis.

## Output

An array of timestamp-value pairs at 1-hour intervals representing the queried blockchain network metric (e.g. tx_count, active addresses, fees) for the specified network and time range.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "required": [
  "entityIdentifier",
  "datasetSlug"
 ],
 "properties": {
  "end": {
   "type": "string",
   "description": "ISO-8601 or YYYY-MM-DD end time."
  },
  "start": {
   "type": "string",
   "description": "ISO-8601 or YYYY-MM-DD start time."
  },
  "datasetSlug": {
   "type": "string",
   "description": "Metric dataset slug to fetch (for example \"tx_count\"); available slugs come from GET /metrics/v2/networks/metrics."
  },
  "granularity": {
   "type": "string",
   "description": "Sampling interval for the timeseries route variant; priced granularities are 1d, 1h, 15m, and 5m."
  },
  "entityIdentifier": {
   "type": "string",
   "description": "Network identifier to query timeseries for (use the same id or slug format accepted by Metrics V2, for example \"ethereum\")."
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "example": {
  "data": [
   {
    "value": 0,
    "timestamp": "2025-01-01T00:00:00Z"
   }
  ]
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/messari-api-hourly-blockchain-network-metric-time-series-464b1f12/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from api.messari.io](https://www.zero.xyz/host/api.messari.io/llms.txt)