name: SchemaSure description: >- Structured data extraction API that converts unstructured text or HTML into JSON guaranteed to validate against a caller-supplied JSON Schema, or returns a typed error at no charge. Access is gated by x402 pay-per-call micropayments (USDC on Base), with no accounts or API keys. url: https://schemasure.apievangelist.com/apis.yml created: '2026-07-19' modified: '2026-07-19' specificationVersion: '0.21' tags: - structured-data-extraction - text-to-JSON - JSON-Schema - document-parsing - data-cleaning - LLM-tooling - AI-agents - x402-micropayments - agent-native - A2A - MCP apis: - name: SchemaSure Structured Extraction API description: >- REST API (OpenAPI 3.1) exposing POST /v2/extract (x402 V2 paid), legacy POST /extract, GET /health, and GET /metrics. Converts text/HTML into schema-valid JSON. Includes llms.txt integration guide and an A2A agent card. humanURL: https://schemasure.com baseURL: https://schemasure.com tags: - structured-data-extraction - text-to-JSON - JSON-Schema - document-parsing - data-cleaning - LLM-tooling - AI-agents - x402-micropayments - agent-native - A2A - MCP properties: - type: OpenAPI url: https://schemasure.com/openapi.json - type: LLMSTxt url: https://schemasure.com/llms.txt - type: Documentation url: https://schemasure.com/llms.txt - type: AgentSkills url: https://schemasure.com/.well-known/agent.json maintainers: - FN: SchemaSure Support url: mailto:support@schemasure.com generated: by: apis.io/add model: claude-opus-4-8 confidence: 95 at: '2026-07-19T22:23:17.395Z'