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Crypto Market Pulse & Base USDC Stats – Balance & Chain Snapshot
x402
Crypto Market Pulse & Base USDC Stats – Balance & Chain Snapshot is a paid API for AI agents from baseusdcearn.pythonanywhere.com, paid per call via x402, $0.001/call, status unknown (last checked 2026-09-14).
Returns live crypto prices (BTC, ETH, SOL, USDC) with 24h change, Base mainnet block height and gas price, and a chain snapshot — paid per-call in USDC on Base via x402.
Price / call$0.001
Success—
StatusUnknown
How this service works
Pay-per-call API for AI agents, settled in USDC on Base mainnet (eip155:8453) via the x402 protocol - no API keys, no signup, no subscription. Live crypto market data: BTC, ETH, SOL, USDC (USD Coin) prices with 24h change (source: OKX), Base mainnet chain snapshot (block height, gas price gwei), real-time USDC-on-Base transfer analytics (transfer count, volume, unique senders and recipients over recent blocks), and USDC/ETH wallet balances plus nonce for any address. Agent utility tools: deterministic JSON repair for LLM output (strip code fences, fix trailing commas, single quotes, unquoted keys, balance braces), DNS A/AAAA lookup, and URL extraction from arbitrary text. Every endpoint returns HTTP 402 with an x402 payment challenge in USDC on Base; pay with any wallet and retry with the PAYMENT-SIGNATURE header. MCP server at /mcp (streamable HTTP, 6 pay-per-call tools). Ideal for crypto portfolios, DeFi dashboards, market analysis agents, data pipelines, and LLM post-processing.
Output
A JSON object containing: market prices and 24h percentage changes for BTC, ETH, SOL, and USDC (sourced from OKX); Base mainnet chain data including current block height, chain ID, network name, and gas price in gwei; and a servedAt Unix timestamp indicating when the data was fetched.
Example use cases
DeFi dashboard market snapshot
“Pull me the latest prices for BTC, ETH, SOL, and USDC with their 24-hour percent changes, plus the current Base mainnet block height and gas price, so I can update my DeFi dashboard.”
Crypto portfolio morning briefing
“Give me a quick market pulse — what are BTC, ETH, and SOL trading at right now, how much have they moved in the last 24 hours, and what's gas looking like on Base?”
Automated market alert trigger
“Check the current Bitcoin and Ethereum prices with their 24h changes and the current Base gas price — I want to know if ETH has moved more than 2% and whether gas is below 0.1 gwei.”
Technical details
Endpoint
GEThttps://baseusdcearn.pythonanywhere.com/balanceWhen to prefer
Choose this endpoint when you need a combined snapshot of live crypto market prices AND Base mainnet chain state in a single pay-per-call request with no API key or subscription setup. Ideal for AI agents that need lightweight, on-demand crypto data without committing to a recurring subscription, and for workflows that already use the x402 micropayment protocol on Base mainnet.
Side effects
- HTTP 402 returned when no x402 payment header is provided — agent must complete payment challenge and retry with PAYMENT-SIGNATURE header
- Stale or delayed market data if OKX feed is lagging
- Base RPC timeout causing missing chain fields
- Invalid or missing address parameter may result in incomplete wallet balance data
- Network errors from the pythonanywhere hosting environment causing 5xx responses
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| properties | string |
Output
Schema · Response
{
"type": "json",
"example": {
"chain": {
"chainId": 8453,
"network": "base-mainnet",
"blockHeight": 21000000,
"gasPriceGwei": 0.05
},
"market": {
"solana": {
"usd": 150,
"usd_24h_change": -0.5
},
"bitcoin": {
"usd": 60000,
"usd_24h_change": 1.5
},
"ethereum": {
"usd": 3000,
"usd_24h_change": 2
},
"usd-coin": {
"usd": 1,
"usd_24h_change": 0
}
},
"servedAt": 1755430000
}
}Tags
x402
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