# CoinGecko On-Chain Networks List

> CoinGecko On-Chain Networks List is a paid API for AI agents from stablecrypto.dev, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-14).

Returns a paginated list of supported on-chain blockchain networks from CoinGecko's on-chain data

## Facts

- Endpoint: POST https://stablecrypto.dev/api/coingecko/onchain/networks
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-14
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/coingecko-on-chain-networks-list-a1b3f09a
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_WXOtEamZfRebbYj9demBS

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 coingecko-on-chain-networks-list-a1b3f09a -d '<json body>'
```

Example prompt: What blockchain networks are supported for on-chain data lookups? Can you fetch the first page of available networks from CoinGecko's on-chain directory?

## When to prefer this

Use this endpoint when you need to discover which blockchain networks are supported before querying on-chain token prices, pool data, or portfolio balances. This is a prerequisite lookup step for any workflow that needs to know valid network identifiers supported by CoinGecko's on-chain API.

## Known failure modes

- Invalid page number returns empty data array or error
- Network timeout or service unavailability returns HTTP 5xx
- Page number beyond available pages returns empty data array
- Malformed request body returns 400 bad request

## How this service works

Get supported on-chain networks

## Output

Returns a data array of supported on-chain network objects, each containing network identifiers and metadata describing the blockchain chains available for on-chain queries such as token prices, pools, and portfolio data.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "page": {
   "type": "number"
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/coingecko-on-chain-networks-list-a1b3f09a/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from stablecrypto.dev](https://www.zero.xyz/host/stablecrypto.dev/llms.txt)