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API Reference / checks / json-response-validator

Fetch JSON and ensure required top-level keys are present.

Useful for smoke tests that confirm APIs return syntactically valid JSON and expose the fields your automation expects. Drop this helper wherever you want to fetch JSON and ensure required top-level keys are present with a single HTTP call. Send the documented inputs and the API streams back polished results you can hand directly to your users.

GETPOST/checks/json-response-validator

Where this helper shines

Fetch JSON and ensure required top-level keys are present. keeps checks helpers on autopilot. Use it whenever you need to fetch JSON and ensure required top-level keys are present without pausing a sprint or asking design/dev to jump in.

  • Trigger this helper whenever you need to fetch JSON and ensure required top-level keys are present without waiting on a full deploy.
  • Drop it into automations (Zapier, Make, workers) to fetch JSON and ensure required top-level keys are present as part of your workflow.
  • Share the GET URL so support and success can fetch JSON and ensure required top-level keys are present safely using their Dataczar API key.

Copy & ship snippets

GET

Instant link

GET https://api.dataczar.app/checks/json-response-validator?url=https%3A%2F%2Fexample.com%2Fsample.png&required_fields=sample-required_fields&timeout=8.0&dryrun=true&ak=demo

Open directly in any browser, webhook, or low-code workflow.

curl

curl GET

curl "https://api.dataczar.app/checks/json-response-validator?url=https%3A%2F%2Fexample.com%2Fsample.png&required_fields=sample-required_fields&timeout=8.0&dryrun=true&ak=demo"

Swap ak=demo with your Dataczar API key.

curl

curl POST

curl -X POST "https://api.dataczar.app/checks/json-response-validator?ak=demo" \
  -H 'Content-Type: application/json' \
  -d '{
  "url": "https://example.com/sample.png",
  "required_fields": "sample-required_fields",
  "timeout": "8.0",
  "dryrun": "true"
}'

Send JSON payloads from back-end jobs, queues, or workers.

Parameters

Query Parameters

NameTypeDescription
urlstring · required
required_fieldsstringComma-separated field names.
timeoutnumber
dryrunboolean

All helper calls accept your Dataczar key via the ak query parameter. Need one? Create or copy a key on Dataczar Connect and drop it into each request.

Responses

Status 200

Validation summary.

{
  "ok": true,
  "data": {
    "url": "https://api.example.com/status",
    "status_code": 200,
    "required_fields": [
      "ok",
      "timestamp"
    ],
    "missing_fields": [],
    "valid": true
  }
}

Status 422

Invalid JSON response.

{
  "ok": false,
  "error": "invalid_json_response"
}

Examples

Query parameters

Equivalent curl
Grab your Dataczar API key
Every helper runs with the same simple API key. Sign in (or create a free Dataczar account) at Dataczar Connect to issue keys in seconds, then drop the key into any `ak=` parameter and start shipping.
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Tip: reuse the same key across these helpers, or rotate keys per project from the Connect dashboard.