{ "x402Version": 2, "id": 34874, "slug": "34874", "resource": "https://data-tools.use.x402atlas.com/json-canonicalize", "description": "JSON canonicalization — canonicalize structured data with RFC 8785 JCS; return canonical JSON text, UTF-8 byte length and SHA-256 hash for integrity checks, signature preparation and deduplication. Uses binary64 rounding and strict Unicode/duplicate-key checks; rejects negative zero, overflow and nonzero underflow.", "type": "http", "serviceName": "JSON Canonicalizer", "accepts": [ { "scheme": "exact", "network": "eip155:8453", "payTo": "0x8C128f1Ee62Bb5e47867CfbAe2ad89be325Df1b2", "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913", "amount": "10000", "amountUsd": 0.01, "maxTimeoutSeconds": 300 }, { "scheme": "exact", "network": "eip155:137", "payTo": "0x8C128f1Ee62Bb5e47867CfbAe2ad89be325Df1b2", "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359", "amount": "10000", "amountUsd": 0.01, "maxTimeoutSeconds": 300 }, { "scheme": "exact", "network": "eip155:42161", "payTo": "0x8C128f1Ee62Bb5e47867CfbAe2ad89be325Df1b2", "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831", "amount": "10000", "amountUsd": 0.01, "maxTimeoutSeconds": 300 }, { "scheme": "exact", "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp", "payTo": "ASt6xvRyQ7ntERsmcYVMdLqZvz1GEN8Fzexzq62tXrNQ", "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v", "amount": "10000", "amountUsd": 0.01, "maxTimeoutSeconds": 300 } ], "outputSchema": { "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": "rfc8785-jcs-v1", "description": "Pinned deterministic algorithm or profile", "type": "string" }, "canonical_json": { "description": "RFC 8785 JCS text for hashing or signature preparation; UTF-16 key order and ECMAScript binary64 numbers, without Unicode normalization", "type": "string" }, "input": { "additionalProperties": false, "description": "Normalized input summary", "properties": { "node_count": { "description": "Value nodes", "maximum": 50000, "minimum": 0, "type": "integer" } }, "required": [ "node_count" ], "type": "object" }, "operation": { "const": "json-canonicalize", "description": "Stable capability operation, identical across packaging variants", "type": "string" }, "sha256": { "description": "Lowercase SHA-256 of canonical UTF-8 bytes", "pattern": "^[0-9a-f]{64}$", "type": "string" }, "utf8_bytes": { "description": "UTF-8 bytes in canonical text", "maximum": 1048576, "minimum": 0, "type": "integer" }, "warnings": { "description": "Deterministic warnings; empty array when none", "items": { "description": "Warning message; no original cell or document values", "type": "string" }, "maxItems": 100, "type": "array" } }, "required": [ "algorithm_version", "canonical_json", "input", "operation", "sha256", "utf8_bytes", "warnings" ], "type": "object" }, "type": { "type": "string" } }, "required": [ "type" ], "type": "object" }, "extensions": { "bazaar": { "category": "utilities", "info": { "input": { "body": { "value": { "literals": [ null, true, false ], "numbers": [ 333333333.3333333, 1e+30, 4.5, 0.002, 1e-27 ], "string": "€$\u000f\nA'B\"\\\\\"/" } }, "bodyType": "json", "method": "POST", "type": "http" }, "output": { "example": { "algorithm_version": "rfc8785-jcs-v1", "canonical_json": "{\"literals\":[null,true,false],\"numbers\":[333333333.3333333,1e+30,4.5,0.002,1e-27],\"string\":\"€$\\u000f\\nA'B\\\"\\\\\\\\\\\"/\"}", "input": { "node_count": 12 }, "operation": "json-canonicalize", "sha256": "2d5e01a318d0f0879ab568c4be289c8b1f64ef8921a53c6277d5e069978baacb", "utf8_bytes": 118, "warnings": [] }, "type": "json" } }, "schema": { "$schema": "https://json-schema.org/draft/2020-12/schema", "properties": { "input": { "additionalProperties": false, "properties": { "body": { "additionalProperties": false, "description": "Strict JSON canonicalization request", "properties": { "value": { "description": "JSON value to canonicalize, <=50000 nodes; JCS rejects negative zero, overflow and nonzero underflow and uses binary64 rounding; unique decoded keys, valid Unicode, depth <=64, finite JSON numeric tokens <=1024 bytes and exponent magnitude <=4096", "type": [ "object", "array", "string", "number", "boolean", "null" ] } }, "required": [ "value" ], "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": "rfc8785-jcs-v1", "description": "Pinned deterministic algorithm or profile", "type": "string" }, "canonical_json": { "description": "RFC 8785 JCS text for hashing or signature preparation; UTF-16 key order and ECMAScript binary64 numbers, without Unicode normalization", "type": "string" }, "input": { "additionalProperties": false, "description": "Normalized input summary", "properties": { "node_count": { "description": "Value nodes", "maximum": 50000, "minimum": 0, "type": "integer" } }, "required": [ "node_count" ], "type": "object" }, "operation": { "const": "json-canonicalize", "description": "Stable capability operation, identical across packaging variants", "type": "string" }, "sha256": { "description": "Lowercase SHA-256 of canonical UTF-8 bytes", "pattern": "^[0-9a-f]{64}$", "type": "string" }, "utf8_bytes": { "description": "UTF-8 bytes in canonical text", "maximum": 1048576, "minimum": 0, "type": "integer" }, "warnings": { "description": "Deterministic warnings; empty array when none", "items": { "description": "Warning message; no original cell or document values", "type": "string" }, "maxItems": 100, "type": "array" } }, "required": [ "algorithm_version", "canonical_json", "input", "operation", "sha256", "utf8_bytes", "warnings" ], "type": "object" }, "type": { "type": "string" } }, "required": [ "type" ], "type": "object" } }, "required": [ "input" ], "type": "object" }, "tags": [ "json-canonicalize", "rfc8785", "jcs", "sha256", "structured-data" ] } }, "tags": [ "json-canonicalize", "rfc8785", "jcs", "sha256", "structured-data", "bazaar" ], "sourceHost": "data-tools.use.x402atlas.com", "lastUpdated": "2026-10-12T23:05:56.952Z", "quality": { "calls30d": 3, "uniquePayers30d": 2, "lastCalledAt": "2026-10-12T23:05:56.82Z" }, "metadata": { "serviceName": "JSON Canonicalizer", "extensions": { "bazaar": { "category": "utilities", "info": { "input": { "body": { "value": { "literals": [ null, true, false ], "numbers": [ 333333333.3333333, 1e+30, 4.5, 0.002, 1e-27 ], "string": "€$\u000f\nA'B\"\\\\\"/" } }, "bodyType": "json", "method": "POST", "type": "http" }, "output": { "example": { "algorithm_version": "rfc8785-jcs-v1", "canonical_json": "{\"literals\":[null,true,false],\"numbers\":[333333333.3333333,1e+30,4.5,0.002,1e-27],\"string\":\"€$\\u000f\\nA'B\\\"\\\\\\\\\\\"/\"}", "input": { "node_count": 12 }, "operation": "json-canonicalize", "sha256": "2d5e01a318d0f0879ab568c4be289c8b1f64ef8921a53c6277d5e069978baacb", "utf8_bytes": 118, "warnings": [] }, "type": "json" } }, "schema": { "$schema": "https://json-schema.org/draft/2020-12/schema", "properties": { "input": { "additionalProperties": false, "properties": { "body": { "additionalProperties": false, "description": "Strict JSON canonicalization request", "properties": { "value": { "description": "JSON value to canonicalize, <=50000 nodes; JCS rejects negative zero, overflow and nonzero underflow and uses binary64 rounding; unique decoded keys, valid Unicode, depth <=64, finite JSON numeric tokens <=1024 bytes and exponent magnitude <=4096", "type": [ "object", "array", "string", "number", "boolean", "null" ] } }, "required": [ "value" ], "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": "rfc8785-jcs-v1", "description": "Pinned deterministic algorithm or profile", "type": "string" }, "canonical_json": { "description": "RFC 8785 JCS text for hashing or signature preparation; UTF-16 key order and ECMAScript binary64 numbers, without Unicode normalization", "type": "string" }, "input": { "additionalProperties": false, "description": "Normalized input summary", "properties": { "node_count": { "description": "Value nodes", "maximum": 50000, "minimum": 0, "type": "integer" } }, "required": [ "node_count" ], "type": "object" }, "operation": { "const": "json-canonicalize", "description": "Stable capability operation, identical across packaging variants", "type": "string" }, "sha256": { "description": "Lowercase SHA-256 of canonical UTF-8 bytes", "pattern": "^[0-9a-f]{64}$", "type": "string" }, "utf8_bytes": { "description": "UTF-8 bytes in canonical text", "maximum": 1048576, "minimum": 0, "type": "integer" }, "warnings": { "description": "Deterministic warnings; empty array when none", "items": { "description": "Warning message; no original cell or document values", "type": "string" }, "maxItems": 100, "type": "array" } }, "required": [ "algorithm_version", "canonical_json", "input", "operation", "sha256", "utf8_bytes", "warnings" ], "type": "object" }, "type": { "type": "string" } }, "required": [ "type" ], "type": "object" } }, "required": [ "input" ], "type": "object" }, "tags": [ "json-canonicalize", "rfc8785", "jcs", "sha256", "structured-data" ] } } }, "liveness": { "reliability": null }, "verified": false, "featured": false, "provider": { "host": "data-tools.use.x402atlas.com", "manifest_name": "data-tools.use.x402atlas.com", "source": "cdp-mirror", "source_manifest_url": "https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources", "submitted_at": "2026-10-13T15:56:53.641Z" }, "exampleResponse": { "example": { "_atlas": { "docs": "https://example.com", "related": [ { "bridge": "string", "docs": "string", "summary": "string", "url": "string" } ] }, "algorithm_version": "string", "canonical_json": "string", "input": { "node_count": 0 }, "operation": "string", "sha256": "string", "utf8_bytes": 0, "warnings": [ "string" ] }, "type": "string" } }