Token price history (USD)

Historical USD price series for a token, by ticker symbol (ETH, BTC, SOL, ...) or by ERC-20 contract + network, at 5-minute (up to 2 days), hourly (up to 30 days) or daily (up to 365 days) resolution. Send POST /api/token-price-history with no required fields (7 optional) and pay $0.004 per call over x402 or MPP (there is no free tier). It returns a JSON object with symbol, contract, network, currency, interval and 11 more.

Returns the points plus first/last/high/low and the percent change over the window - the data behind 'how did this token move over the last N days' without a separate market-data subscription. 404 (not charged) when the token is not in the price feed.

Category: Crypto & onchain data · Tags: crypto price history ohlc usd token erc20 chart

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Parameters

Example request

curl -i -X POST https://agent402.tools/api/token-price-history \
  -H "Content-Type: application/json" \
  -d '{"contract":"0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48","network":"ethereum","interval":"1d","days":7}'

Without payment this returns HTTP 402 Payment Required with the exact price for token-price-history; any x402 v2 or MPP client pays it and retries.

Example response

{
  "symbol": null,
  "contract": "0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48",
  "network": "ethereum",
  "currency": "usd",
  "interval": "1d",
  "startTime": "2026-08-15T12:00:00.000Z",
  "endTime": "2026-08-22T12:00:00.000Z",
  "count": 7,
  "first": 0.99966,
  "last": 0.99971,
  "high": 0.99982,
  "low": 0.99951,
  "changePct": 0.005,
  "points": [
    {
      "t": "2026-08-16T00:00:00Z",
      "price": 0.99966
    }
  ],
  "source": "alchemy",
  "fetchedAt": "2026-08-22T12:00:00.000Z"
}

From an MCP client

catalog.call {
  "slug": "token-price-history",
  "params": {
    "contract": "0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48",
    "network": "ethereum",
    "interval": "1d",
    "days": 7
  }
}

The hosted connector at https://agent402.tools/mcp needs a payment for token-price-history; the stdio package pays it from a wallet or from AGENT402_CREDITS_KEY. Local install: npx -y agent402-mcp.

Errors and behavior

• Every field is optional. An input the tool rejects returns an HTTP 4xx whose body carries error, tool, expected, required and example.
• A paid call that ends in any status of 400 or above is not charged over x402, MPP or a prepaid credits key: settlement is cancelled when the tool fails. The exception is a Tempo push credential, a transfer the buyer sent before the call: it settles before the tool runs, so if the tool then fails the payment is recorded as a refund owed to the paying wallet.
• Wallet-only: this tool reaches the network or stored state, so it has no proof-of-work tier. A prepaid card-credits key (Authorization: Bearer a402_...) also pays it.
• A GET or HEAD to /api/token-price-history returns the same 402 quote, so the price can be read without a body.
• An Idempotency-Key header makes a retried paid call replay the first 200 instead of charging again (an answer larger than 1 MB is not replayed).

Paid call (JavaScript agent)

import { wrapFetchWithPayment } from "@x402/fetch";
import { x402Client } from "@x402/core/client";
import { registerExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";

const client = new x402Client();
client.setSpendControls?.(false); // keep your own spending ceiling in code
registerExactEvmScheme(client, { signer: privateKeyToAccount(KEY) });
const payFetch = wrapFetchWithPayment(fetch, client);

const res = await payFetch("https://agent402.tools/api/token-price-history", {
  method: "POST",
  headers: { "Content-Type": "application/json" },
  body: JSON.stringify({
    "contract": "0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48",
    "network": "ethereum",
    "interval": "1d",
    "days": 7
  }),
});

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