OneSource
onesource.io
OneSource unifies blockchain data behind a single agent-native API. Ask in natural language or REST, pay with x402, MPP, or use an API key.
USDCBase
DEBYKO
debyko.com
Perpetual futures market data from 19 venues: funding, open interest, order books, candles and trades, stored as published. Pay-per-call x402 endpoints plus paid passes.
Crypto payment details
- Payment protocol
- x402
- Networks
- Base
- Tokens
- USDC
- Typical price per call
- $0.005–$249 per call (check the provider for current pricing)
- Example paid endpoint
https://api.debyko.com/v2/snapshots/history- Listed in
- Coinbase CDP x402 Bazaar
- More tools on
- Base
How we verified it
Unpaid POST /v2/snapshots/history returned HTTP 402 on 2026-10-21 with x402 payment terms: x402 v2, exact, 0.02 USDC on Base. Listed in the Coinbase CDP x402 Bazaar discovery API (checked by payTo on 2026-10-21). Price range from the per-route amounts listed there, cross-checked with the live probe. Homepage fetched (HTTP 200). Last checked 2026-10-21.
- https://api.cdp.coinbase.com/platform/v2/x402/discovery/merchant?payTo=0x17b2c55872338727660aa77776a4056a1a3158ec
- https://debyko.com/
The description summarizes the provider's own site. YourAITools is not affiliated with DEBYKO. Listing a tool is not an endorsement: check pricing and terms with the provider before paying.
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