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GET /asset lists every stablecoin supported across all networks, including metadata such as token address, blockchain, decimals etc. and which payment flows (offramp, onramp, swap, wallet) each stablecoin supports.

​
Example Request

curl -L \
  --request GET \
  --url 'https://api.onswitch.xyz/asset' \
  --header 'x-service-key: '"$YOUR_SERVICE_KEY" \
  --header 'Accept: */*'

const res = await fetch('https://api.onswitch.xyz/asset', {
  method: 'GET',
  headers: {
    'x-service-key': process.env.YOUR_SERVICE_KEY,
    Accept: '*/*',
  },
});

const json = await res.json();
console.log(json.data?.length, 'assets');

import os, json, urllib.request

req = urllib.request.Request(
    "https://api.onswitch.xyz/asset",
    method="GET",
    headers={
        "x-service-key": os.environ["YOUR_SERVICE_KEY"],
        "Accept": "*/*",
    },
)

with urllib.request.urlopen(req, timeout=60) as r:
    payload = json.load(r)
    print(len(payload.get("data", [])), "assets")

​
Example Response

{
  "success": true,
  "message": "Assets fetched successfully",
  "timestamp": "2026-03-31T03:15:12.304Z",
  "data": [
    {
      "id": "base:usdc",
      "name": "USD Coin",
      "code": "USDC",
      "decimals": 6,
      "address": "0x833589fcd6edb6e08f4c7c32d4f71b54bda02913",
      "blockchain": {
        "id": 8453,
        "name": "BASE",
        "type": "EVM"
      },
      "offramp_supported": true,
      "onramp_supported": true,
      "swap_supported": true,
      "wallet_supported": true
    },
    {
      "id": "solana:usdc",
      "name": "USD Coin",
      "code": "USDC",
      "decimals": 6,
      "address": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
      "blockchain": {
        "id": 10000,
        "name": "SOLANA",
        "type": "SVM"
      },
      "offramp_supported": true,
      "onramp_supported": true,
      "swap_supported": true,
      "wallet_supported": true
    }
  ]
}
For a readable reference table, see Stablecoins.

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