Subscription Plans
1 plan
Basic Fixed
$10 / month
- Included quotas:
- 100 Endpoint Request
- Renews automatically
- Unused quotas do not carry over to the next period
Rate Limit
2 requests per secondPay As You Go Plans
1 plan
Basic Per-Usage month
You only pay for what you use. No credit card required for free tiers.
Graduated pricing — each unit is billed at the rate of the tier it falls in.
Endpoint Request
Price per unit
First 1,000
$0.02
Over 1,000
$0.015
Rate Limit
10 requests per secondCost Calculator
Estimated cost:$0.00 / month
- Usage resets periodically
- You must have funds in your balance to use paid tiers Add funds
- You only pay for successful requests Learn more
For AI agents
6 endpoints
Pay with a wallet
Agents pay with x402 or MPP — per request, or by buying a plan and receiving an API key.
| Endpoint | Per request |
|---|---|
POST /api/jsonpatch/applyApplies JSON Patch operations to a JSON document. | $0.05 |
POST /schematools/generate-documentationGenerates JSON Schema documentation as HTML from the provided JS | $0.05 |
POST /validator/validateValidates JSON data against a schema. | $0.05 |
POST /validator/validate-simpleValidates JSON data against a schema. | $0.05 |
POST /api/xml/checkChecks secure XML well-formedness and returns native document me | $0.02 |
POST /api/xml/verifyVerifies the restricted xmlvalidator-safe-rsa-sha256-v2 XML sign | $0.10 |