---
title: "On-Chain Metrics"
method: GET
path: "/onchain/{symbol}"
tags: ["on-chain"]
---

# On-Chain Metrics

`GET /onchain/{symbol}`

## Request

- Base URL: `https://mcp.f1ow.com/v1`
- URL: `https://mcp.f1ow.com/v1/onchain/{symbol}`
- Auth: one of:
  - HTTP bearer
  - none

On-chain TVL and network fees/revenue (24h/7d/30d) for one chain. Use a chain's own token symbol (e.g. 'ETH', 'SOL', 'BNB') — returns a plain 'not a tracked chain' message for tokens that aren't L1/L2s. Does not cover gas price (gwei).

## Path parameters

- `symbol` string, required: Chain token symbol, e.g. 'ETH' or 'SOL'

## Response `200`

The result.

- object
  - `text` string, required: Human-readable rendering of the result.
  - `meta` ResponseMeta
    - `generatedAt` string, date-time: When the data was produced (source timestamp where the provider has one), ISO 8601 UTC

## Other responses

- `400`: An argument is missing or invalid.
- `401`: No credential was sent.
- `402`: x402 route: a priced call without a valid payment (challenge in the base64 PAYMENT-REQUIRED header). Metered routes: the account balance or access period is spent.
- `403`: The credential was rejected.
- `500`: Unexpected server error.
- `502`: The data source could not answer.

---

[API](https://skmtc.dev/f1ow/apis/f1ow-api.md) · [All operations](https://skmtc.dev/f1ow/apis/f1ow-api/llms.txt) · [OpenAPI document](https://skmtc.dev/f1ow/apis/f1ow-api/revisions/6974f25b6067?raw)