You can access the LLM JSON Repair and Schema Enforcer API programmatically from your own applications by using the Apify API. You can also choose the language preference from below. To use the Apify API, you’ll need an Apify account and your API token, found in API & Integrations in Apify Console.

Python

JavaScript

CLI

OpenAPI

HTTP

MCP

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          "items": {
            "title": "Broken JSON Items to Repair",
            "type": "array",
            "description": "List of objects containing raw_text strings from LLM outputs that need deterministic JSON syntax repair.",
            "default": [
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                "id": "sample-1",
                "raw_text": "```json\n{\n  \"name\": \"Autonomous Agent\",\n  \"status\": \"active\",\n  \"tokens\": \"450\",\n  \"tools\": [\"search\", \"calculator\",],\n} // truncated\n```"
              }
            ]
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          "enforce_schema": {
            "title": "Target JSON Schema",
            "type": "object",
            "description": "Optional JSON Schema definition to validate and enforce on the repaired JSON output.",
            "default": {}
          },
          "autocast_numbers": {
            "title": "Autocast Numeric Strings",
            "type": "boolean",
            "description": "When true, automatically casts numeric string values like '123' or '45.67' into actual integers and floats.",
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              "userId": {
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              "startedAt": {
                "type": "string",
                "format": "date-time",
                "example": "2025-01-08T00:00:00.000Z"
              },
              "finishedAt": {
                "type": "string",
                "format": "date-time",
                "example": "2025-01-08T00:00:00.000Z"
              },
              "status": {
                "type": "string",
                "example": "READY"
              },
              "meta": {
                "type": "object",
                "properties": {
                  "origin": {
                    "type": "string",
                    "example": "API"
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                  "userAgent": {
                    "type": "string"
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                "properties": {
                  "inputBodyLen": {
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                    "type": "integer",
                    "example": 0
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                  "restartCount": {
                    "type": "integer",
                    "example": 0
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                  "DATASET_WRITES": {
                    "type": "integer",
                    "example": 0
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                  "KEY_VALUE_STORE_READS": {
                    "type": "integer",
                    "example": 0
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                    "example": 0
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                  "PROXY_RESIDENTIAL_TRANSFER_GBYTES": {
                    "type": "integer",
                    "example": 0
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                  "PROXY_SERPS": {
                    "type": "integer",
                    "example": 0
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                  "PROXY_UNBLOCKER_UNITS": {
                    "type": "integer",
                    "example": 0
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                }
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                "type": "number",
                "example": 0.00005
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LLM JSON Repair and Schema Enforcer API OpenAPI definition

OpenAPI is a standard for designing and describing RESTful APIs, allowing developers to define API structure, endpoints, and data formats in a machine-readable way. It simplifies API development, integration, and documentation.

OpenAPI is effective when used with AI agents and GPTs by standardizing how these systems interact with various APIs, for reliable integrations and efficient communication.

By defining machine-readable API specifications, OpenAPI allows AI models like GPTs to understand and use varied data sources, improving accuracy. This accelerates development, reduces errors, and provides context-aware responses, making OpenAPI a core component for AI applications.

You can download the OpenAPI definitions for LLM JSON Repair and Schema Enforcer API from the options below:

OpenAPI.json

If you’d like to learn more about how OpenAPI powers GPTs, read our blog post.

You can also check out our other API clients:

LLM JSON Repair and Schema Enforcer API API in Python

LLM JSON Repair and Schema Enforcer API API in JavaScript

LLM JSON Repair and Schema Enforcer API API through CLI

LLM JSON Repair and Schema Enforcer API API

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