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
Kronos
kronossignals.com
Real-time crypto market data for autonomous agents: perpetual derivatives (funding, open interest, basis), liquidation clusters, multi-exchange spot prices and Deribit options. Pay per call in USDC on Base via x402.
Crypto payment details
- Payment protocol
- x402
- Networks
- Base
- Tokens
- USDC
- Typical price per call
- $0.02–$0.1 per call (check the provider for current pricing)
- Example paid endpoint
https://kronossignals.com/api/v1/funding-extremes- Listed in
- Coinbase CDP x402 Bazaar
- More tools on
- Base
How we verified it
Listed as an x402 seller in the Coinbase CDP Bazaar discovery API (payment requirements: Base; USDC) and homepage fetched (HTTP 200) on 2026-10-21. Last checked 2026-10-21.
- https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources?limit=1000
- https://kronossignals.com/
The description summarizes the provider's own site. YourAITools is not affiliated with Kronos. Listing a tool is not an endorsement: check pricing and terms with the provider before paying.
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