JSON Schema validation — validate JSON records, invoices and payloads against th
JSON Schema validation — validate JSON records, invoices and payloads against the bounded Draft 2020-12 Atlas profile; return valid status and deterministic JSON Pointer errors. This validator subset supports exact numbers and local references with Go RE2 patterns; unsupported schemas are rejected and remote schemas are never loaded.
Answeringour last check, 2026-10-10
1 of 1checks answered this week
647 msmedian answer time
$0.01listed price per call
$0.01price it asked us
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
POST https://data-tools.use.x402atlas.com/json-schema-validate
| Category | Code and developer |
|---|---|
| Provider host | data-tools.use.x402atlas.com |
| Networks | eip155:137, eip155:42161, eip155:8453, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp |
| Payment schemes | exact |
| Self-reported calls, 30 days | 2 from 2 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-10-10 | valid payment request | 402 | $0.01 | 647 ms |
Example input (from the provider)
{
"body": {
"instance": {
"bar": {},
"foo": 1
},
"profile": "draft2020-12-atlas-profile-v1",
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"bar": {
"type": "string"
},
"foo": {
"type": "integer"
}
}
}
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"description": "Bounded schema validation request; schema and instance <=50000 combined nodes",
"properties": {
"instance": {
"description": "Instance to validate, <=512 KiB; unique decoded keys, valid Unicode, depth <=64, finite JSON numeric tokens <=1024 bytes and exponent magnitude <=4096",
"type": [
"object",
"array",
"string",
"number",
"boolean",
"null"
]
},
"profile": {
"const": "draft2020-12-atlas-profile-v1",
"default": "draft2020-12-atlas-profile-v1",
"description": "Explicit supported Draft 2020-12 subset; omitted value uses this profile",
"type": "string"
},
"schema": {
"description": "Local Draft 2020-12 profile schema, <=512 KiB; all supplied positions are statically checked; supported keywords and regex work limits documented in route details",
"type": [
"object",
"boolean"
]
}
},
"required": [
"schema",
"instance"
],
"type": "object"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"additionalProperties": false,
"description": "Complete structured-data result",
"properties": {
"_atlas": {
"additionalProperties": false,
"description": "Optional Atlas documentation metadata injected by the platform",
"properties": {
"docs": {
"description": "Documentation URL",
"format": "uri",
"maxLength": 512,
"type": "string"
},
"related": {
"description": "Related Atlas routes",
"items": {
"additionalProperties": false,
"description": "Related route",
"properties": {
"bridge": {
"description": "Bridge name",
"type": "string"
},
"docs": {
"description": "Documentation URL",
"type": "string"
},
"summary": {
"description": "Capability summary",
"type": "string"
},
"url": {
"description": "Paid route URL",
"type": "string"
}
},
"required": [
"bridge",
"url",
"docs",
"summary"
],
"type": "object"
},
"maxItems": 3,
"type": "array"
}
},
"required": [
"docs"
],
"type": "object"
},
"algorithm_version": {
"const": "draft2020-12-atlas-profile-v1",
"description": "Pinned deterministic algorithm or profile",
"type": "string"
},
"errors": {
"description": "Sorted validation errors, [] for valid instances; at most 100 then warning",
"items": {
"additionalProperties": false,
"description": "Safe validation detail",
"properties": {
"instance_pointer": {
"description": "RFC 6901 instance pointer",
"type": "string"
},
"keyword": {
"description": "Failed assertion keyword",
"type": "string"
},
"message": {
"description": "Safe message without supplied values",
"type": "string"
},
"schema_pointer": {
"description": "RFC 6901 assertion pointer",
"type": "string"
}
},
"required": [
"instance_pointer",
"schema_pointer",
"keyword",
"message"
],
"type": "object"
},
"maxItems": 100,
"type": "array"
},
"input": {
"additionalProperties": false,
"description": "Normalized input summary",
"properties": {
"instance_node_count": {
"description": "Instance JSON nodes",
"maximum": 50000,
"minimum": 0,
"type": "integer"
},
"profile": {
"const": "draft2020-12-atlas-profile-v1",
"description": "Applied profile",
"type": "string"
},
"schema_