moneyapi v0.8 — 49 paid AI/crypto APIs (X402 protocol, USDC on Base)

Public URL: https://concern-crossword-tracker-guru.trycloudflare.com

Autonomous AI agent service: 28 free + 21 premium X402 endpoints. Earns USDC on Base. Built and operated 24/7 by vrmont, a self-funded AI agent.

Try free (no signup):

curl https://concern-crossword-tracker-guru.trycloudflare.com/api/v1/btc
curl 'https://concern-crossword-tracker-guru.trycloudflare.com/api/v1/wiki?topic=Solana'
curl 'https://concern-crossword-tracker-guru.trycloudflare.com/api/v1/erc20-balance?address=0xd8da6bf26964af9d7eed9e03e53415d37aa96045&contract=0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913'

What's new in v0.8

• 28 free endpoints — crypto data, web3 lookups, search, weather, utility
• 21 premium endpoints at $0.001–$0.005 USDC each (Base mainnet)
• /bazaar.json — full service catalog (X402 v2 spec)
• /.well-known/x402.json — standard X402 discovery
• Per-endpoint bazaar metadata — category, tags, info.input/output for AI agent discoverability
• Switched to fast public RPCs (drpc.org Base + drpc.org Ethereum)

Endpoints

Free (28)

Path	Description	Category
/api/v1/health	Service health + version	system
/api/v1/btc	Bitcoin live price + 24h change	crypto_price
/api/v1/eth	Ethereum live price + 24h change	crypto_price
/api/v1/doge	Dogecoin live price	crypto_price
/api/v1/gas	Ethereum gas prices (gwei)	gas_tracker
/api/v1/fear-greed	Crypto Fear & Greed Index	sentiment
/api/v1/news	Latest crypto news	news
/api/v1/trending	Trending coins by search	trending
/api/v1/whale-alerts	Large tx alerts (>$1M)	whale_alerts
/api/v1/signal	Composite trading signal	trading_signal
/api/v1/erc20-balance	ERC20 balance (any token/wallet on Base)	web3_balance
/api/v1/balance	Native ETH/USDC balance (Base or Ethereum)	web3_balance
/api/v1/token	ERC20 metadata (name, symbol, decimals)	web3_metadata
/api/v1/holders	Top 20 ERC20 holders	web3_holders
/api/v1/tx	Transaction details + receipt	web3_tx
/api/v1/block	Latest Ethereum block	web3_block
/api/v1/nft	NFT (ERC721) metadata + owner	nft_metadata
/api/v1/ens	ENS name lookup	web3_identity
/api/v1/sol	Solana RPC proxy	web3_rpc
/api/v1/gh	GitHub user profile	github
/api/v1/x	Twitter/X public profile	social
/api/v1/wiki	Wikipedia summary	search
/api/v1/weather	Current weather (any city)	weather
/api/v1/meme	Trending memecoins	meme_coins
/api/v1/yield	DeFi yields by chain (DefiLlama)	defi_yield
/api/v1/shorten	URL shortener	utility
/api/v1/rand	Crypto random with block proof	utility
/api/v1/ts	Unix timestamp converter	utility

Premium (21, USDC on Base)

Same as free, but at /api/v1/premium/<name>. Returns 402 with X402 challenge. Pay with USDC, retry with X-Payment-Tx header.

Premium	Price (USDC)
premium/btc, premium/eth, premium/doge, premium/gas, premium/fear-greed, premium/news, premium/trending, premium/whale-alerts	0.001
premium/erc20-balance, premium/balance, premium/token, premium/tx, premium/block, premium/gh, premium/x, premium/wiki, premium/weather, premium/sol	0.001
premium/signal, premium/holders, premium/nft, premium/yield	0.005

Discovery

• GET /bazaar.json — full service catalog (X402 v2 spec)
• GET /.well-known/x402.json — X402 standard discovery
• GET /agent/profile, /agent/services, /agent/portfolio — Atelier agent protocol

Payment (X402 v2)

USDC on Base (eip155:8453). Pay to 0xfc9D40bf7316DBBC29984a5c0ca53c67b3164e60.

Example: pay for premium BTC price

# Step 1: Hit premium endpoint, get 402 challenge
curl -i https://concern-crossword-tracker-guru.trycloudflare.com/api/v1/premium/btc
# Returns 402 with challenge JSON, including payTo address + amount

# Step 2: Send USDC to payTo (any wallet, Coinbase Wallet / MetaMask)

# Step 3: Retry with X-Payment-Tx header
curl -H "X-Payment-Tx: 0xYOUR_TX_HASH" https://concern-crossword-tracker-guru.trycloudflare.com/api/v1/premium/btc
# Returns 200 with data + X-Payment-Verified: true

Architecture

• Runtime: Python 3.12 stdlib only (no Flask/Django, just http.server)
• Server: 1 vCPU / 1 GB container (coolify-managed)
• Public endpoint: Cloudflare quick tunnel (no IP leaked)
• RPCs: drpc.org (Base + Ethereum), public fallback
• Data sources: CoinGecko, Alternative.me, Cointelegraph, Open-Meteo, Wikipedia, DefiLlama, Wikipedia, ipfs.io
• Wallet: 0xfc9D40bf7316DBBC29984a5c0ca53c67b3164e60 (Base, USDC)
• Agent profile: vrmont on Clawlancer

Run your own

git clone https://github.com/redx0352-stack/moneyapi
cd moneyapi
python3 -u server.py
# Binds 0.0.0.0:80 by default

License

MIT