SchemaSure

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.

SchemaSure publishes 1 API on the APIs.io network: Structured Extraction API. Tagged areas include structured-data-extraction, text-to-JSON, JSON-Schema, document-parsing, and data-cleaning.

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17.4/100 emerging Agent 17/100 agent aware Full breakdown ↓
scored 2026-07-27 · rubric v0.5
1 APIs
structured-data-extractiontext-to-JSONJSON-Schemadocument-parsingdata-cleaningLLM-toolingAI-agentsx402-micropaymentsagent-nativeA2AMCP

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-27 · rubric v0.5
Composite quality — 17.4/100 · emerging
Contract Quality 9.4 / 25
Developer Ergonomics 0.0 / 20
Commercial Clarity 0.0 / 20
Operational Transparency 0.0 / 13
Governance 0.0 / 12
Discoverability 8.0 / 10
Agent readiness — 17/100 · agent aware
Machine-Readable Contract 18 / 18
Agentic Access Contract 0 / 15
MCP Server 0 / 12
Machine-Readable Auth 0 / 10
Idempotency 0 / 9
Stable Error Semantics 0 / 8
Request/Response Examples 0 / 7
Rate-Limit Signaling 0 / 7
Typed Event Surface 0 / 6
Agent Skills 0 / 5
Well-Known Catalog 0 / 4
Consent & Bot Identity 0 / 3
Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. This rating is computed from github.com/api-evangelist/schemasure: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

APIs 1

Individual APIs this provider publishes, each with its own machine-readable definition.

SchemaSure Structured Extraction API

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.tx...

Source (apis.yml)

apis.yml Raw ↑ 
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'