{
  "id": "text-edits-apply",
  "name": "Checked Text Edit Application",
  "description": "Atomically apply explicit nonoverlapping UTF-16 text edits after exact expected-slice and optional SHA-256 checks. Returns edited text, applied IDs and unchanged/replacement source mappings. Rejects split Unicode scalars and ambiguous insertion boundaries.",
  "category": "document-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": [
    "Apply agent-proposed document edits with exact source assertions",
    "Produce source-to-result offset evidence for controlled text transformations"
  ],
  "whenToUse": [
    "Apply agent-proposed document edits with exact source assertions",
    "Produce source-to-result offset evidence for controlled text transformations"
  ],
  "whenNotToUse": [
    "Fuzzy matching, natural-language revision or edits to files on disk",
    "Mapping semantic annotations inside replacement text"
  ],
  "capabilities": [
    "Atomic original-source coordinates and expected text on every edit",
    "SHA-256 source/result provenance and explicit mapping segments",
    "No Unicode normalization or newline rewriting"
  ],
  "related": [
    "text-offset-map",
    "document-chunk-audit"
  ],
  "limits": {
    "inputBytes": 100000,
    "outputBytes": 400000,
    "jsonNodes": 8000,
    "depth": 20,
    "findings": 200,
    "edits": 200,
    "resultCodeUnits": 200000,
    "offsetUnit": "utf16-code-units"
  },
  "errorCodes": [
    "INPUT_LIMIT",
    "OUTPUT_LIMIT",
    "COMPLEXITY_LIMIT",
    "UNSAFE_KEY",
    "INVALID_UNICODE",
    "INVALID_NUMBER",
    "DUPLICATE_ID",
    "INVALID_SPAN",
    "INVALID_BOUNDARY",
    "OVERLAPPING_EDITS",
    "EDIT_EXPECTATION_MISMATCH",
    "SOURCE_DIGEST_MISMATCH"
  ],
  "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": "text-edits-apply",
      "operation.category": "document-assurance",
      "limit.httpRequestBytes": 131072,
      "limit.requestBytes": 100000,
      "limit.responseBytes": 524288,
      "limit.resultBytes": 400000,
      "limit.jsonDepth": 20,
      "limit.jsonNodes": 8000,
      "text.offsetUnit": "utf16-code-units",
      "textEdits.expectedSlicesRequired": true,
      "textEdits.fuzzyMatching": false,
      "textEdits.atomic": true,
      "input.text.maxLength": 90000,
      "input.edits.maxItems": 200
    },
    "unknownPolicy": "Undeclared requirements are unknown, never compatible. Matching declared facts does not establish semantic fit or input validity.",
    "preflight": "/preflight"
  },
  "documentation": "/reference/tools/text-edits-apply.md",
  "serviceContract": "/reference/services/text-edits-apply.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/text-edits-apply",
    "mpp": "/v1/mpp/text-edits-apply"
  },
  "inputSchema": {
    "$schema": "https://json-schema.org/draft/2020-12/schema",
    "type": "object",
    "properties": {
      "text": {
        "type": "string",
        "maxLength": 90000
      },
      "expectedSha256": {
        "type": "string",
        "pattern": "^[a-fA-F0-9]{64}$"
      },
      "edits": {
        "maxItems": 200,
        "type": "array",
        "items": {
          "type": "object",
          "properties": {
            "id": {
              "type": "string",
              "minLength": 1,
              "maxLength": 80
            },
            "start": {
              "type": "integer",
              "minimum": 0,
              "maximum": 90000
            },
            "end": {
              "type": "integer",
              "minimum": 0,
              "maximum": 90000
            },
            "expected": {
              "type": "string",
              "maxLength": 90000
            },
            "replacement": {
              "type": "string",
              "maxLength": 90000
            }
          },
          "required": [
            "id",
            "start",
            "end",
            "expected",
            "replacement"
          ],
          "additionalProperties": false
        }
      }
    },
    "required": [
      "text",
      "edits"
    ],
    "additionalProperties": false
  },
  "outputSchema": {
    "type": "object",
    "required": [
      "operation",
      "version",
      "result",
      "provenance"
    ],
    "properties": {
      "operation": {
        "const": "text-edits-apply",
        "type": "string"
      },
      "version": {
        "const": "0.29.0",
        "type": "string"
      },
      "result": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "type": "object",
        "properties": {
          "profile": {
            "type": "string",
            "const": "checked-utf16-edits-v1"
          },
          "text": {
            "type": "string"
          },
          "sourceSha256": {
            "type": "string",
            "pattern": "^[a-fA-F0-9]{64}$"
          },
          "resultSha256": {
            "type": "string",
            "pattern": "^[a-fA-F0-9]{64}$"
          },
          "appliedEditIds": {
            "type": "array",
            "items": {
              "type": "string"
            }
          },
          "mapping": {
            "type": "array",
            "items": {
              "type": "object",
              "properties": {
                "kind": {
                  "type": "string",
                  "enum": [
                    "unchanged",
                    "replacement"
                  ]
                },
                "editId": {
                  "type": [
                    "string",
                    "null"
                  ]
                },
                "sourceStart": {
                  "type": "integer",
                  "minimum": 0,
                  "maximum": 9007199254740991
                },
                "sourceEnd": {
                  "type": "integer",
                  "minimum": 0,
                  "maximum": 9007199254740991
                },
                "resultStart": {
                  "type": "integer",
                  "minimum": 0,
                  "maximum": 9007199254740991
                },
                "resultEnd": {
                  "type": "integer",
                  "minimum": 0,
                  "maximum": 9007199254740991
                }
              },
              "required": [
                "kind",
                "editId",
                "sourceStart",
                "sourceEnd",
                "resultStart",
                "resultEnd"
              ],
              "additionalProperties": false
            }
          }
        },
        "required": [
          "profile",
          "text",
          "sourceSha256",
          "resultSha256",
          "appliedEditIds",
          "mapping"
        ],
        "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": {
    "text": "Status: draft. Owner: Ada.",
    "edits": [
      {
        "id": "approve",
        "start": 8,
        "end": 13,
        "expected": "draft",
        "replacement": "approved"
      }
    ]
  },
  "exampleResponse": {
    "operation": "text-edits-apply",
    "version": "0.29.0",
    "result": {
      "profile": "checked-utf16-edits-v1",
      "text": "Status: approved. Owner: Ada.",
      "sourceSha256": "337061ebf7debcb2aa7c3c8d377a51252766fe4d8463db95a1e92bde917801b4",
      "resultSha256": "9a035e2245d18debca13e5035077c0b4f99b15ffbe096a931aa2869948adfbde",
      "appliedEditIds": [
        "approve"
      ],
      "mapping": [
        {
          "kind": "unchanged",
          "editId": null,
          "sourceStart": 0,
          "sourceEnd": 8,
          "resultStart": 0,
          "resultEnd": 8
        },
        {
          "kind": "replacement",
          "editId": "approve",
          "sourceStart": 8,
          "sourceEnd": 13,
          "resultStart": 8,
          "resultEnd": 16
        },
        {
          "kind": "unchanged",
          "editId": null,
          "sourceStart": 13,
          "sourceEnd": 26,
          "resultStart": 16,
          "resultEnd": 29
        }
      ]
    },
    "provenance": {
      "inputSha256": "ea5b685091d59b005a2dbb8d8c00538af94be5694555cae5bbef485e8d72fe7f",
      "outputSha256": "da1702f71331c0a23e70c9f870d9a63e2e3bf4891b0eb3fd6693a1135f1822a5",
      "deterministic": true,
      "externalRequests": 0
    }
  },
  "requiredHeaders": {
    "Content-Type": "application/json",
    "Idempotency-Key": "random 16–128 character operation identifier"
  },
  "fixedExample": "/reference/examples/text-edits-apply.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."
  }
}
