Allium

live $0.010/req Data high confidence editorial

Blockchain data APIs for token prices, wallet balances, transaction history, and PnL. 12 endpoints covering prices (current, historical, stats), token lookup/search, wallet balances/history/transactions/PnL, and docs. Accepts USDC on Base.

Editorial Verdict

Best-in-class blockchain data API with native x402. Clean JSON Schema in Bazaar extensions. $0.01/request on Base USDC — competitive for multi-chain wallet and token data.

Endpoints (12)

POST https://agents.allium.so/api/v1/developer/prices$0.010
POST https://agents.allium.so/api/v1/developer/prices/at-timestamp$0.010
POST https://agents.allium.so/api/v1/developer/prices/history$0.010
POST https://agents.allium.so/api/v1/developer/prices/stats$0.010
POST https://agents.allium.so/api/v1/developer/tokens/chain-address$0.010
POST https://agents.allium.so/api/v1/developer/tokens$0.010
POST https://agents.allium.so/api/v1/developer/tokens/search$0.010
POST https://agents.allium.so/api/v1/developer/wallet/balances$0.010
POST https://agents.allium.so/api/v1/developer/wallet/balances/history$0.010
POST https://agents.allium.so/api/v1/developer/wallet/transactions$0.010
POST https://agents.allium.so/api/v1/developer/wallet/pnl$0.010
POST https://agents.allium.so/api/v1/docs/docs/browse$0.010

How to Call This Service

Direct x402 Request

curl -X POST https://api.allium.so \
  -H "Content-Type: application/json" \
  -H "X-Payment: <base64-eip712-signed-usdc-authorization>" \
  -d '{"prompt": "your query here"}'

Via Signal402 MCP

signal402_call service="Allium" payload='{"prompt": "your query"}'

Details

URLhttps://api.allium.so
CategoryData
Statuslive
Price$0.010 per request
Confidencehigh confidence
Sourcehttps://api.allium.so/.well-known/x402
Last Verified2026-02-27

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