x402 Dev Tools
dev.kagurazaka.dev · 7 paid endpoints · listed 2026-10-27
Asks the public x402 facilitators (CDP, x402.org, PayAI, x402.rs, Dexter, Daydreams, OpenX402, Mogami, Heurist) for GET /supported right now: whether each answers, its latency, and the x402 versions, schemes and networks it settles. Pass network to keep only those that support it.
Paid endpoints
| Method | Endpoint | Price | Networks |
|---|---|---|---|
| POST | dev.kagurazaka.dev/v1/decode Decodes a PAYMENT-REQUIRED, PAYMENT-SIGNATURE or PAYMENT-RESPONSE header (x402 v2, or X-PAYMENT / X-PAYMENT-RESPONSE of v1), base64 or JSON, detecting which it | $0.002 | Base |
| POST | dev.kagurazaka.dev/v1/encode Encodes a PaymentRequired, PaymentPayload or settlement response object as the base64 value of its x402 header, for hand-written servers, clients and tests, and | $0.002 | Base |
| GET | dev.kagurazaka.dev/v1/networks Reference for x402 sellers and clients: each network's CAIP-2 id, v1 name, chain id, USDC contract, decimals, the EIP-712 domain name and version its USDC signs | $0.002 | Base |
| POST | dev.kagurazaka.dev/v1/requirements Builds an x402 v2 PaymentRequired object for a price in dollars on one or more networks, with the right USDC contract, atomic amount and EIP-712 domain (name an | $0.002 | Base |
| POST | dev.kagurazaka.dev/v1/discovery Generates the discovery documents directories and agents read for a list of paid endpoints (up to 100): an OpenAPI 3.1 document with x-payment-info prices and e | $0.003 | Base |
| GET | dev.kagurazaka.dev/v1/facilitators Asks the public x402 facilitators (CDP, x402.org, PayAI, x402.rs, Dexter, Daydreams, OpenX402, Mogami, Heurist) for GET /supported right now: whether each answe | $0.003 | Base |
| GET | dev.kagurazaka.dev/v1/lint Checks an x402 API origin the way x402scan, the CDP Bazaar and agents read it: fetches /openapi.json and /.well-known/x402, then calls each paid route without p | $0.01 | Base |
Latest checks
| When | Endpoint | HTTP | ms | Result |
|---|---|---|---|---|
| 5 days ago | dev.kagurazaka.dev/v1/decode | 402 | 684 | valid x402 v2 terms |
Income on Base (7 days)
This provider's payout address is shared by several providers, so its income is not shown as its own.
Is this your API?
<a href="https://logicnodes.io/observatory/p/dev.kagurazaka.dev"><img src="https://logicnodes.io/observatory/badge/dev.kagurazaka.dev.svg" alt="x402 status"></a>
Claim it for free with
x402_provider_claim (sign with your payout address), and get an alert within minutes when it stops answering with x402_monitor_create ($5 for 30 days). Both work over MCP (https://logicnodes.io/mcp/v2) or POST https://logicnodes.io/v1/tools/<tool>.Income is all USDC received by the provider's payout address on Base, whatever the source. Score: 0-100: 50 x share of checks in the last 72 h that returned valid x402 payment terms + 30 x min(1, log10(1 + USDC received in 7 days) / 4) + 20 x min(1, log10(1 + distinct payers in 7 days) / 3). A provider never checked scores on income only; income is all USDC received by its payout address on Base, whatever the source. JSON: /v1/observatory/providers/dev.kagurazaka.dev