---
title: "Execute json-validator evaluator"
method: POST
path: "/v2/evaluators/json-validator/execute"
tags: ["evaluators"]
---

# Execute json-validator evaluator

`POST /v2/evaluators/json-validator/execute`

Validate JSON syntax

**Request Body:**
- `input.text` (string, required): The text to validate as JSON
- `config.enable_schema_validation` (bool, optional): Enable JSON schema validation
- `config.schema_string` (string, optional): JSON schema to validate against

## Request body

- RequestJSONValidatorRequest
  - `config` RequestJSONValidatorConfigRequest
    - `enable_schema_validation` boolean
    - `schema_string` string
  - `input` RequestJSONValidatorInput, required
    - `text` string, required

## Response `200`

OK

- ResponseJSONValidatorResponse
  - `is_valid_json` boolean

## Other responses

- `400` — Bad Request
- `500` — Internal Server Error

---

[API](https://skmtc.net/traceloop/apis/traceloop-api.md) · [All operations](https://skmtc.net/traceloop/apis/traceloop-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/traceloop/traceloop-api/versions/9c12a04a5947/schema)