Locus
paywithlocus.com
Give your AI agent one account for thousands of paid APIs and data sources, billed per call with no separate subscriptions or keys.
USDCBase
Countersign
countersignpay.com
A payment terminal for your API. AI agents pay you per call, settled straight to your account in seconds.
Crypto payment details
- Payment protocol
- x402
- Networks
- Base
- Tokens
- USDC
- Typical price per call
- $0.01 per call (check the provider for current pricing)
- Example paid endpoint
https://canary.countersignpay.com/v1/base/head- 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://countersignpay.com/
The description summarizes the provider's own site. YourAITools is not affiliated with Countersign. Listing a tool is not an endorsement: check pricing and terms with the provider before paying.
Is this your tool? Update the listing or get it featured. Paid endpoint checks are coming soon.
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AsterPay
asterpay.io
EUR-native facilitator for AI agent payments. x402 (Coinbase) and MPP (Stripe/Tempo), USDC to EUR via SEPA Instant. KYA trust scoring, MiCA-aligned. Check your site in 60 seconds, then make it agent-payable.
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Chit402
chit402.com
Who paid which call — export, policy, evidence. Possession book for agent spend.
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