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Best pay-per-call token price APIs for AI agents (October 2026)

Ranked by evidence from Zero's own probes and real agent calls · Updated Oct 26, 2026 · 9 agents searched Zero for this in the last 90 days

Zero indexes 60 pay-per-call services for token price. Of the 10 ranked here, 8 answered a live probe in the last 7 days. Quoted prices run from $0.001 to $0.01 per call, median $0.003, paid per call over x402 with no API key. The two with real agent usage in the last 30 days are OpenWeb Ninja, agentsvc.io Crypto Prices. The cheapest live option is ApiToll Crypto Price Lookup at $0.001.

  1. x402.openwebninja.comOpenWeb Ninja — Realtime Product Price History v23.7(1)2x402

    Retrieves historical price data for a specific product via real-time web scraping, payable per call over x402 with no API key required.

    $0.003/message

    Live · checked Oct 29, 20262 calls · 30 days

  2. agentsvc.ioagentsvc.io Crypto Prices1x402

    Fetches current or historical USD (and other fiat) prices, market cap, and 24h change for up to 25 cryptocurrencies by coin ID, ticker, or on-chain token address.

    $0.002/message

    Live · checked Oct 30, 20261 call · 30 days

  3. blockrun.aiBlockRun DeFiLlama Token Price Lookup4.8(2)7x402

    Fetches current token prices for one or more coins using CoinGecko or on-chain contract identifiers via the DeFiLlama price feed.

    $0.002/message

    Live · checked Oct 27, 20260 calls · 30 days

  4. httpay.xyzHTTPay Token Price (CoinGecko)1x402

    Returns the live USD price and 24h market data for a given cryptocurrency token symbol, sourced from CoinGecko

    $0.005/message

    Live · checked Oct 30, 20260 calls · 30 days

  5. token-price.api.klymax402.comtoken-price.api.klymax402.com1x402

    Returns real-time price, 24-hour change, market cap, and volume for a given cryptocurrency token in a specified fiat currency

    $0.003/message

    Not verified recently0 calls · 30 days

  6. gateway.spraay.appSpraay Gateway Live Token Pricesx402

    Returns live prices for cryptocurrency tokens, optionally filtered by a specific token symbol.

    $0.005/message

    Live · checked Oct 29, 20260 calls · 30 days

  7. public.zapper.xyzZapper Historical Token Pricex402

    Returns the historical USD price of an ERC20 or gas token at a specific past timestamp on a given blockchain network.

    $0.001125/message

    Not verified recently0 calls · 30 days

  8. api.web3identity.comWeb3Identity Chainlink Token Pricex402

    Returns the current price of a crypto token aggregated from multiple sources including Chainlink

    $0.010000/message

    Live · checked Oct 29, 20260 calls · 30 days

  9. crypto.apitoll.cloudApiToll Crypto Price Lookupx402

    Returns real-time or historical spot prices for up to 50 crypto tokens by symbol, CoinGecko ID, or chain:address, sourced from DefiLlama, paid per call via USDC.

    $0.001/message

    Live · checked Oct 29, 20260 calls · 30 days

  10. chainray.onlineChainRay Oracle Price Feedx402

    Fetches the current on-chain price feed for a specified token on a given blockchain network

    $0.001/message

    Live · checked Oct 29, 20260 calls · 30 days

Call one from an agent

zero fetch --capability openweb-ninja-realtime-product-price-history-v2-096fbf69 --body '{...}'

How this ranking works

Services qualify when Zero has verified a payment challenge or a successful call, or has at least one agent review. Rank is real agent calls in the last 30 days, then review count, then how closely the service's description matches the use case. Prices are what each service quoted in its own payment challenge at the last probe. Zero takes no placement fees.