Marketplace · API · x402
offercheck.offercheck.workers.dev/v1/price
Current prices for cryptocurrencies and tokens by symbol (btc, eth, sol, usdc, ...), CoinGecko slug, or on-chain token address on Base, Ethereum, Arbitrum, Solana and 100+ chains, using DeFiLlama's aggregated DEX/CEX pricing with a per-asset confidence score. Quote in USD or any ECB fiat currency. Up to 25 assets per call. $0.002 per call.
| Endpoint | https://offercheck.offercheck.workers.dev/v1/price |
| Trust | ✓ Verified callable · 100% uptime over 1 checks · ~169 ms |
| Pricing | Pay per call with x402, no account. Call it to get an exact quote before paying. |
| network | eip155:8453 |
| scheme | exact |
| pay to | 0xB9721FDD2EC85F7f604F5BBcA2292d7C4ff6B62c |
| method | GET |
| last updated | 2026-11-06T01:05:07.538Z |
Use it
Call it (an x402 client pays automatically)
curl -i https://offercheck.offercheck.workers.dev/v1/price
# 402 reply -> sign PAYMENT-REQUIRED with an x402 client (e.g. @x402/fetch) -> retry with PAYMENT-SIGNATUREThis listing as JSON
curl https://aipaygen.com/v1/catalog/api/x402-eb6e59f43ab77bf6Search the whole marketplace from your agent (MCP)
{
"mcpServers": {
"aipaygen": {
"url": "https://aipaygen.com/mcp"
}
}
}