Each command below is the free-trial form — your wallet in the query string plus the two signature headers. ?wallet= on its own returns 400 missing X-Wallet-Signature header. Paid calls need no wallet param at all: call the endpoint, read the 402 challenge, pay the listed price in USDC.
export WALLET=0xYOUR_WALLET # the wallet your agent controls
export TS=$(date +%s) # unix seconds, must be within ±5 min
export SIG=0xYOUR_SIGNATURE # EIP-191 signature of "minia2a trial:$WALLET:$SERVICE:$TS"
curl "https://minia2a.uk/x402/gas?wallet=$WALLET" \
-H "X-Wallet-Signature: $SIG" -H "X-Trial-Timestamp: $TS"
curl "https://minia2a.uk/x402/time?wallet=$WALLET" \
-H "X-Wallet-Signature: $SIG" -H "X-Trial-Timestamp: $TS"
curl "https://minia2a.uk/x402/token-security?wallet=$WALLET&address=0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48" \
-H "X-Wallet-Signature: $SIG" -H "X-Trial-Timestamp: $TS"
curl "https://minia2a.uk/x402/dex-price?wallet=$WALLET&chain=base&address=0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913" \
-H "X-Wallet-Signature: $SIG" -H "X-Trial-Timestamp: $TS"
curl "https://minia2a.uk/x402/funding-rate?wallet=$WALLET" \
-H "X-Wallet-Signature: $SIG" -H "X-Trial-Timestamp: $TS"
curl "https://minia2a.uk/x402/polymarket?wallet=$WALLET" \
-H "X-Wallet-Signature: $SIG" -H "X-Trial-Timestamp: $TS"
curl "https://minia2a.uk/x402/wallet-intel?wallet=$WALLET&address=0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045" \
-H "X-Wallet-Signature: $SIG" -H "X-Trial-Timestamp: $TS"
curl "https://minia2a.uk/x402/swap-safety?wallet=$WALLET&chain=base&tokenIn=0x...&tokenOut=0x..." \
-H "X-Wallet-Signature: $SIG" -H "X-Trial-Timestamp: $TS"
curl "https://minia2a.uk/x402/trading-signal?wallet=$WALLET&symbol=ETH" \
-H "X-Wallet-Signature: $SIG" -H "X-Trial-Timestamp: $TS"
curl "https://minia2a.uk/x402/price-oracle?wallet=$WALLET&symbol=BTC" \
-H "X-Wallet-Signature: $SIG" -H "X-Trial-Timestamp: $TS"
curl "https://minia2a.uk/x402/chain-info?wallet=$WALLET&chain=base" \
-H "X-Wallet-Signature: $SIG" -H "X-Trial-Timestamp: $TS"
curl "https://minia2a.uk/x402/ens-resolve?wallet=$WALLET&name=vitalik.eth" \
-H "X-Wallet-Signature: $SIG" -H "X-Trial-Timestamp: $TS"
curl "https://minia2a.uk/x402/token-search?wallet=$WALLET&q=USDC" \
-H "X-Wallet-Signature: $SIG" -H "X-Trial-Timestamp: $TS"
curl "https://minia2a.uk/x402/abi-lookup?wallet=$WALLET&chain=base&address=0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913" \
-H "X-Wallet-Signature: $SIG" -H "X-Trial-Timestamp: $TS"
curl "https://minia2a.uk/x402/chain-registry?wallet=$WALLET" \
-H "X-Wallet-Signature: $SIG" -H "X-Trial-Timestamp: $TS"
curl "https://minia2a.uk/x402/defi-directory?wallet=$WALLET" \
-H "X-Wallet-Signature: $SIG" -H "X-Trial-Timestamp: $TS"
curl "https://minia2a.uk/x402/web-scrape?wallet=$WALLET&url=https://example.com" \
-H "X-Wallet-Signature: $SIG" -H "X-Trial-Timestamp: $TS"
curl "https://minia2a.uk/x402/web-retrieve?wallet=$WALLET&q=latest+ethereum+upgrade" \
-H "X-Wallet-Signature: $SIG" -H "X-Trial-Timestamp: $TS"
curl "https://minia2a.uk/x402/text-scrape?wallet=$WALLET&url=https://example.com/article" \
-H "X-Wallet-Signature: $SIG" -H "X-Trial-Timestamp: $TS"
curl "https://minia2a.uk/x402/domain-intel?wallet=$WALLET&domain=example.com" \
-H "X-Wallet-Signature: $SIG" -H "X-Trial-Timestamp: $TS"
curl "https://minia2a.uk/x402/email-verify?wallet=$WALLET&email=test%40example.com" \
-H "X-Wallet-Signature: $SIG" -H "X-Trial-Timestamp: $TS"
curl "https://minia2a.uk/x402/dns?wallet=$WALLET&domain=example.com" \
-H "X-Wallet-Signature: $SIG" -H "X-Trial-Timestamp: $TS"
curl "https://minia2a.uk/x402/country?wallet=$WALLET&code=JP" \
-H "X-Wallet-Signature: $SIG" -H "X-Trial-Timestamp: $TS"
curl "https://minia2a.uk/x402/sentiment?wallet=$WALLET&text=BTC+just+broke+100k+again" \
-H "X-Wallet-Signature: $SIG" -H "X-Trial-Timestamp: $TS"
curl "https://minia2a.uk/x402/find?wallet=$WALLET&q=ethereum+ETF+approval" \
-H "X-Wallet-Signature: $SIG" -H "X-Trial-Timestamp: $TS"
curl -X POST "https://minia2a.uk/x402/summarize?wallet=$WALLET" -H "content-type: application/json" -d '{"text":"Long article text here..."}' \
-H "X-Wallet-Signature: $SIG" -H "X-Trial-Timestamp: $TS"
curl "https://minia2a.uk/x402/uuid?wallet=$WALLET" \
-H "X-Wallet-Signature: $SIG" -H "X-Trial-Timestamp: $TS"
curl "https://minia2a.uk/x402/hash?wallet=$WALLET&text=hello+world&algo=sha256" \
-H "X-Wallet-Signature: $SIG" -H "X-Trial-Timestamp: $TS"
curl "https://minia2a.uk/x402/jwt-decode?wallet=$WALLET&token=eyJhbGciOiJIUzI1NiJ9.eyJzdWIiOiIxMjMifQ.xxx" \
-H "X-Wallet-Signature: $SIG" -H "X-Trial-Timestamp: $TS"
curl "https://minia2a.uk/x402/base64?wallet=$WALLET&text=hello&mode=encode" \
-H "X-Wallet-Signature: $SIG" -H "X-Trial-Timestamp: $TS"
curl "https://minia2a.uk/x402/date-math?wallet=$WALLET&date=2026-07-31&op=add&amount=7&unit=days" \
-H "X-Wallet-Signature: $SIG" -H "X-Trial-Timestamp: $TS"
curl -X POST "https://minia2a.uk/x402/text-stats?wallet=$WALLET" -H "content-type: application/json" -d '{"text":"Sample text to analyze."}' \
-H "X-Wallet-Signature: $SIG" -H "X-Trial-Timestamp: $TS"
curl "https://minia2a.uk/x402/url-codec?wallet=$WALLET&text=hello+world&mode=decode" \
-H "X-Wallet-Signature: $SIG" -H "X-Trial-Timestamp: $TS"
curl "https://minia2a.uk/x402/math?wallet=$WALLET&expr=sqrt(144)+log2(1024)" \
-H "X-Wallet-Signature: $SIG" -H "X-Trial-Timestamp: $TS"
curl -X POST "https://minia2a.uk/x402/csv-json?wallet=$WALLET" -H "content-type: application/json" -d '{"csv":"name,age\\nAlice,30\\nBob,25"}' \
-H "X-Wallet-Signature: $SIG" -H "X-Trial-Timestamp: $TS"
curl "https://minia2a.uk/x402/pdf-text?wallet=$WALLET&url=https://example.com/document.pdf" \
-H "X-Wallet-Signature: $SIG" -H "X-Trial-Timestamp: $TS"
curl "https://minia2a.uk/x402/language-detect?wallet=$WALLET&text=Bonjour+le+monde" \
-H "X-Wallet-Signature: $SIG" -H "X-Trial-Timestamp: $TS"
curl -X POST "https://minia2a.uk/x402/markdown-table?wallet=$WALLET" -H "content-type: application/json" -d '{"data":[{"name":"BTC","price":88000},{"name":"ETH","price":4200}]}' \
-H "X-Wallet-Signature: $SIG" -H "X-Trial-Timestamp: $TS"
curl "https://minia2a.uk/x402/color?wallet=$WALLET&hex=3b82f6" \
-H "X-Wallet-Signature: $SIG" -H "X-Trial-Timestamp: $TS"
curl "https://minia2a.uk/x402/random?wallet=$WALLET&type=string&length=32" \
-H "X-Wallet-Signature: $SIG" -H "X-Trial-Timestamp: $TS"
curl -X POST "https://minia2a.uk/x402/markdown?wallet=$WALLET" -H "content-type: application/json" -d '{"text":"# Hello\\n\\n**bold** text"}' \
-H "X-Wallet-Signature: $SIG" -H "X-Trial-Timestamp: $TS"
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