GET /api/v1/paid/crypto-price — $0.004 per call

Use when an agent needs a current USD price for a major token by symbol before quoting, converting or rebalancing. Returns Spot USD price for one crypto asset by ticker symbol, with 24h change, market cap and volume when the source reports them. $0.004.

Price	$0.004 per call (4000 atomic USDC, scheme exact)
Category	utility
Rails	x402 · USDC on Base (eip155:8453) and Solana · MPP pathUSD on Tempo
Canonical URL	https://api.oblique.markets/api/v1/paid/crypto-price

Try it

curl -i https://api.oblique.markets/api/v1/paid/crypto-price
# → HTTP 402 with the exact payment requirements; pay, then retry with PAYMENT-SIGNATURE (x402) or Authorization: Payment (MPP)

Input schema

{
 "type": "object",
 "properties": {
  "symbol": {
   "type": "string",
   "default": "BTC",
   "description": "Single token symbol, e.g. ETH, BTC, SOL",
   "examples": [
    "ETH"
   ]
  }
 }
}

Example output

{
 "symbol": "ETH",
 "name": "ethereum",
 "price_usd": 2512.555,
 "change_24h_percent": null,
 "market_cap_usd": null,
 "volume_24h_usd": null,
 "source": "Coinbase",
 "fetched_at": "2026-09-12T00:09:01.661Z",
 "message": "Crypto price via x402 protocol"
}

Clients

Worked TypeScript/Python clients and MCP configs: oblique-markets/oblique-examples · Agent Skills: oblique-markets/skills

Pay per call with x402 (USDC on Base or Solana) or MPP (pathUSD on Tempo). No accounts. Machine doors: /.well-known/x402.json · /openapi.json · /llms-full.txt · MCP · humans: remote.observer