{ "id": "record-profile", "name": "Record field observations", "description": "Profile caller-selected JSON Pointer fields across up to 500 records: missing/null/type counts, typed distinct values, numeric bounds/median, UTF-16 string lengths and bounded duplicate-row evidence. Observations only; no inferred schema guarantee or population extrapolation.", "category": "data-assurance", "priceUsd": "0.005", "pricingStatus": "proposed-unverified", "pricing": { "unit": "one successful operation call", "proposedNominalUsd": "0.005", "sixDecimalTokenBaseUnits": "5000", "subscription": false, "includesPayerWalletOrNetworkFees": false, "liveQuoteVerified": false, "condition": "Actual SDK challenge is authoritative only within the caller's explicit authorization; configured six-decimal token peg is an operator assertion, not a conversion guarantee." }, "intents": [ "profile missing null fields in JSON records", "inspect dataset types cardinality duplicates before validation", "measure field completeness and mixed types" ], "whenToUse": [ "profile missing null fields in JSON records", "inspect dataset types cardinality duplicates before validation", "measure field completeness and mixed types" ], "whenNotToUse": [ "Infer a guaranteed schema or population distribution", "Fuzzy entity matching or CSV file comparison" ], "capabilities": [ "JSON Pointer field observations", "missing/null separation", "typed structural cardinality", "duplicate evidence", "numeric median" ], "related": [ "record-constraints", "record-relations" ], "limits": { "inputBytes": 100000, "outputBytes": 400000, "jsonNodes": 12000, "depth": 20, "evidence": 200, "keyWorkBytes": 3000000, "matchingSteps": 2000000, "records": 500, "fields": 32, "duplicateGroupsPerField": 5 }, "errorCodes": [ "INPUT_LIMIT", "OUTPUT_LIMIT", "COMPLEXITY_LIMIT", "UNSAFE_KEY", "INVALID_NUMBER", "INVALID_POINTER", "DUPLICATE_ID", "DUPLICATE_FIELD", "INVALID_RULE", "KEY_WORK_LIMIT", "LABEL_LIMIT", "UNJUDGED_DOCUMENT", "INVALID_SPAN", "DUPLICATE_SPAN", "INVALID_UNICODE", "MATCHING_LIMIT", "INVALID_CADENCE", "INVALID_INTERVAL", "NUMERIC_OVERFLOW" ], "requirementsProfile": { "format": "declared-requirements-v1", "facts": { "execution.suppliedCode": false, "execution.remoteMutation": false, "execution.llmInference": false, "execution.paidMcp": false, "verification.semanticTruth": false, "verification.sourceAuthenticity": false, "verification.liveVulnerabilities": false, "numbers.arbitraryPrecisionJson": false, "numbers.model": "ieee754-binary64", "privacy.requestBodyPersisted": false, "execution.deterministic": true, "execution.networkAccess": false, "privacy.resultBodyPersisted": false, "payment.x402": true, "payment.mpp": true, "operation.id": "record-profile", "operation.category": "data-assurance", "limit.httpRequestBytes": 131072, "limit.requestBytes": 100000, "limit.responseBytes": 524288, "limit.resultBytes": 400000, "limit.jsonDepth": 20, "limit.jsonNodes": 12000, "input.records.maxItems": 500, "input.fields.maxItems": 32, "input.fields.minItems": 1 }, "unknownPolicy": "Undeclared requirements are unknown, never compatible. Matching declared facts does not establish semantic fit or input validity.", "preflight": "/preflight" }, "documentation": "/reference/tools/record-profile.md", "serviceContract": "/reference/services/record-profile.json", "errors": [ { "status": 400, "meaning": "Malformed JSON, missing/invalid idempotency key, or payment identifier mismatch", "retry": "Correct the request before payment" }, { "status": 402, "meaning": "Payment challenge or rejected payment", "retry": "Use official protocol SDK; inspect payment outcome before another payment" }, { "status": 409, "meaning": "Idempotency conflict, duplicate proof, or PAYMENT_UNCERTAIN", "retry": "Keep original key, body, and proof; reconcile uncertainty with operator; never blindly repay" }, { "status": 413, "meaning": "Input or generated output too large", "retry": "Reduce input; no payment attempted for validation failure" }, { "status": 415, "meaning": "Unsupported media type or compression", "retry": "Send uncompressed application/json" }, { "status": 422, "meaning": "Schema or service-specific semantic validation failure", "retry": "Correct input using returned error code; no payment attempted" }, { "status": 429, "meaning": "Request/payment-attempt rate exceeded", "retry": "Wait for rate limit window; preserve existing payment identity" }, { "status": 503, "meaning": "Payment configuration/provider/state unavailable, or live DNS preparation failed before settlement", "retry": "Check readiness; DNS preparation failures may retry the identical key/body/credential only; uncertainty requires reconciliation" } ], "numericPrecision": "JavaScript IEEE-754 numbers; use strings for large integer IDs/exact decimals where the schema accepts strings. No lossless numeric parsing.", "paymentWorkflow": { "discoveryOnly": false, "supportedProtocols": [ "x402", "mpp" ], "x402": { "credentialHeader": "PAYMENT-SIGNATURE", "challengeHeader": "PAYMENT-REQUIRED", "receiptHeader": "PAYMENT-RESPONSE", "version": 2, "scheme": "exact", "paymentIdentifier": "payment-identifier extension MUST equal the HTTP Idempotency-Key", "sdk": "@x402/core with @x402/evm" }, "mpp": { "supported": true, "credentialHeader": "Authorization", "challengeHeader": "WWW-Authenticate", "receiptHeader": "Payment-Receipt", "method": "tempo", "intent": "charge", "sdk": "mppx", "tokenDecimals": 6 }, "steps": [ "Check configured readiness and the exact service schema", "Generate a fresh random Idempotency-Key for this operation; never use a discovery probe fixture for purchases", "Send valid input without a credential to obtain the official protocol challenge", "Use the official SDK and authorized wallet to fulfill the challenge", "Retry only with identical key, body, protocol and credential", "On PAYMENT_UNCERTAIN stop and request operator reconciliation; never blindly pay again" ], "versionedRetries": "Request fingerprint includes service release version. Retries across a version upgrade can conflict; coordinate upgrades outside the 24-hour replay window and reconcile pending attempts.", "docs": "/llms.txt" }, "method": "POST", "paths": { "x402": "/v1/x402/record-profile", "mpp": "/v1/mpp/record-profile" }, "inputSchema": { "$schema": "https://json-schema.org/draft/2020-12/schema", "type": "object", "properties": { "records": { "maxItems": 500, "type": "array", "items": { "type": "object", "propertyNames": { "type": "string" }, "additionalProperties": { "$ref": "#/$defs/__schema0" } } }, "fields": { "minItems": 1, "maxItems": 32, "type": "array", "items": { "type": "string", "maxLength": 512, "description": "RFC 6901 JSON string pointer; empty string selects the row root. URI fragments and unsafe property names are rejected." } } }, "required": [ "records", "fields" ], "additionalProperties": false, "$defs": { "__schema0": { "anyOf": [ { "type": "string" }, { "type": "number" }, { "type": "boolean" }, { "type": "null" }, { "type": "array", "items": { "$ref": "#/$defs/__schema0" } }, { "type": "object", "propertyNames": { "type": "string" }, "additionalProperties": { "$ref": "#/$defs/__schema0" } } ] } } }, "outputSchema": { "type": "object", "required": [ "operation", "version", "result", "provenance" ], "properties": { "operation": { "const": "record-profile", "type": "string" }, "version": { "const": "0.29.0", "type": "string" }, "result": { "$schema": "https://json-schema.org/draft/2020-12/schema", "type": "object", "properties": { "profile": { "type": "string", "const": "record-observations-v1" }, "rowCount": { "type": "integer", "minimum": 0, "maximum": 9007199254740991 }, "fields": { "type": "array", "items": { "type": "object", "properties": { "path": { "type": "string" }, "presentCount": { "type": "integer", "minimum": 0, "maximum": 9007199254740991 }, "missingCount": { "type": "integer", "minimum": 0, "maximum": 9007199254740991 }, "nullCount": { "type": "integer", "minimum": 0, "maximum": 9007199254740991 }, "distinctCount": { "type": "integer", "minimum": 0, "maximum": 9007199254740991 }, "typeCounts": { "type": "object", "properties": { "null": { "type": "integer", "minimum": 0, "maximum": 9007199254740991 }, "boolean": { "type": "integer", "minimum": 0, "maximum": 9007199254740991 }, "number": { "type": "integer", "minimum": 0, "maximum": 9007199254740991 }, "string": { "type": "integer", "minimum": 0, "maximum": 9007199254740991 }, "array": { "type": "integer", "minimum": 0, "maximum": 9007199254740991 }, "object": { "type": "integer", "minimum": 0, "maximum": 9007199254740991 } }, "required": [ "null", "boolean", "number", "string", "array", "object" ], "additionalProperties": false }, "numeric": { "anyOf": [ { "type": "object", "properties": { "count": { "type": "integer", "minimum": 0, "maximum": 9007199254740991 }, "min": { "type": "number" }, "max": { "type": "number" }, "median": { "type": "number" } }, "required": [ "count", "min", "max", "median" ], "additionalProperties": false }, { "type": "null" } ] }, "stringLengthsUtf16": { "anyOf": [ { "type": "object", "properties": { "count": { "type": "integer", "minimum": 0, "maximum": 9007199254740991 }, "min": { "type": "integer", "minimum": 0, "maximum": 9007199254740991 }, "max": { "type": "integer", "minimum": 0, "maximum": 9007199254740991 } }, "required": [ "count", "min", "max" ], "additionalProperties": false }, { "type": "null" } ] }, "duplicateGroups": { "type": "array", "items": { "type": "object", "properties": { "firstRowIndex": { "type": "integer", "minimum": 0, "maximum": 9007199254740991 }, "count": { "type": "integer", "minimum": 0, "maximum": 9007199254740991 }, "rowIndices": { "type": "array", "items": { "type": "integer", "minimum": 0, "maximum": 9007199254740991 } }, "rowIndicesTruncated": { "type": "boolean" } }, "required": [ "firstRowIndex", "count", "rowIndices", "rowIndicesTruncated" ], "additionalProperties": false } }, "duplicateGroupCount": { "type": "integer", "minimum": 0, "maximum": 9007199254740991 }, "duplicateGroupsTruncated": { "type": "boolean" } }, "required": [ "path", "presentCount", "missingCount", "nullCount", "distinctCount", "typeCounts", "numeric", "stringLengthsUtf16", "duplicateGroups", "duplicateGroupCount", "duplicateGroupsTruncated" ], "additionalProperties": false } }, "caveats": { "type": "array", "items": { "type": "string" } } }, "required": [ "profile", "rowCount", "fields", "caveats" ], "additionalProperties": false }, "provenance": { "type": "object", "required": [ "inputSha256", "outputSha256", "deterministic", "externalRequests" ], "properties": { "inputSha256": { "type": "string", "pattern": "^[a-f0-9]{64}$" }, "outputSha256": { "type": "string", "pattern": "^[a-f0-9]{64}$" }, "deterministic": { "const": true }, "externalRequests": { "const": 0 } } } }, "additionalProperties": false }, "exampleInput": { "records": [ { "id": "a", "price": 12, "status": "ready" }, { "id": "b", "price": null, "status": "ready" }, { "id": "c", "status": "new" } ], "fields": [ "/price", "/status" ] }, "exampleResponse": { "operation": "record-profile", "version": "0.29.0", "result": { "profile": "record-observations-v1", "rowCount": 3, "fields": [ { "path": "/price", "presentCount": 2, "missingCount": 1, "nullCount": 1, "distinctCount": 2, "typeCounts": { "null": 1, "boolean": 0, "number": 1, "string": 0, "array": 0, "object": 0 }, "numeric": { "count": 1, "min": 12, "max": 12, "median": 12 }, "stringLengthsUtf16": null, "duplicateGroups": [], "duplicateGroupCount": 0, "duplicateGroupsTruncated": false }, { "path": "/status", "presentCount": 3, "missingCount": 0, "nullCount": 0, "distinctCount": 2, "typeCounts": { "null": 0, "boolean": 0, "number": 0, "string": 3, "array": 0, "object": 0 }, "numeric": null, "stringLengthsUtf16": { "count": 3, "min": 3, "max": 5 }, "duplicateGroups": [ { "firstRowIndex": 0, "count": 2, "rowIndices": [ 0, 1 ], "rowIndicesTruncated": false } ], "duplicateGroupCount": 1, "duplicateGroupsTruncated": false } ], "caveats": [ "Observations describe only supplied rows, not a schema guarantee or population estimate.", "Distinct values use typed structural JSON equality with object keys sorted; missing is separate from null. Numbers are already-parsed IEEE-754 values." ] }, "provenance": { "inputSha256": "7a3a2676a5c8b31f529bfb018adf6ce45a687787779349029dcae02ef5215fe9", "outputSha256": "8135f48756dbce1bac61c230404690ca325e61c434d49d3b36c95903d7c4342d", "deterministic": true, "externalRequests": 0 } }, "requiredHeaders": { "Content-Type": "application/json", "Idempotency-Key": "random 16–128 character operation identifier" }, "fixedExample": "/reference/examples/record-profile.json", "execution": { "deterministic": true, "externalRequests": 0, "maxExternalRequests": 0, "resultSnapshotPersisted": false, "fixedExampleIsIllustrativeSnapshot": false, "requiresPayment": true, "supportsMcpExecution": false }, "releaseSnapshot": { "format": "static-release-reference-v1", "sourceVersion": "0.29.0", "sourceRegistrySha256": "a2b5ec09bf6c38b9d2879d746a4fded374f5928b445377b0270ef6aa8e6cac65", "generatedAt": "2026-10-06T15:38:00Z", "releaseAcceptance": "not-verified-by-generator", "runtimeReadiness": "not-evaluated", "livePaymentsVerified": false, "indexingVerified": false, "apiOrigin": null, "notice": "Build-time release reference. Runtime readiness, deployment, payment settlement and external indexing are not evaluated here. Prices are proposed; this file cannot authorize execution or payment." } }