Pricing

from $1.40 / 1,000 dataset item validateds

Dataset Contract & Regression Tester

Test Apify datasets against versioned contracts. Catch missing and extra fields, type and nullability drift, duplicate keys, and breaking schema changes with CI-ready evidence.

Pricing

from $1.40 / 1,000 dataset item validateds

Rating

0.0

(0)

Developer

Michael Olmos

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Monthly active users

2 days ago

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Dataset Schema Validator & Data Contract Tester API through CLI

The Apify CLI is the official tool that allows you to use Dataset Contract & Regression Tester locally, providing convenience functions and automatic retries on errors.

Install Apify CLI

Using installation script (macOS/Linux):

$curl -fsSL https://apify.com/install-cli.sh | bash

Using installation script (Windows):

$irm https://apify.com/install-cli.ps1 | iex

Using Homebrew:

$brew install apify-cli

Using npm:

$npm install -g apify-cli

Other API clients include:

Dataset Contract & Regression Tester API in Python

Dataset Contract & Regression Tester API in JavaScript

Dataset Contract & Regression Tester OpenAPI definition

Dataset Contract & Regression Tester API

Apify Dataset Quality Profiler

eager_vitamin/apify-dataset-quality-profiler

Profile missing fields, nulls, empty strings, JSON types, distinct counts, and duplicate keys in an Apify dataset.

Lau Kuan Ee

Third-party API Contract Drift Monitor

invaluable_rondeau/third-party-api-contract-drift-monitor

Check authorized GET endpoints against an OpenAPI contract and report machine-readable schema drift in one run.

PROOFNEXA

API Contract Drift Monitor

q_services/api-contract-drift-monitor

Detect added, removed and type-changed fields in JSON API responses with persistent baselines and breaking-change flags.

Q Services

Dataset QA Auditor

junipr/dataset-qa-auditor

Validate Apify dataset rows for schema drift, null spikes, duplicate keys, type mismatches, and delivery-readiness issues. Outputs row-level QA results plus a summary report.

junipr

MCP Tool Contract Gate

quietrelay/mcp-tool-contract-gate

MCP server tool-contract monitor for agent platforms. Catch consumer-breaking MCP tool changes before agents break: compare an HTTPS tool catalog to a baseline and export Dataset findings, SUMMARY, SARIF, and JUnit for CI or schedules.

quiet relay

Lighthouse CI Regression Gate

hero98/lighthouse-release-regression-gate

Lighthouse CI performance regression and pass/fail gate for 1–10 authorised public URLs, with explicit baselines, thresholds, and Core Web Vitals.

Suliman Tadros

Rich Results Schema.org Tester

alizarin_refrigerator-owner/rich-results-tester

Test any URL for Google Rich Results eligibility. Validate structured data, identify schema errors & get recommendations. Batch test multiple pages for SEO audits.

The Howlers

Validate Dataset(s) with JSON Schema

jaroslavhejlek/validate-dataset-with-json-schema

This Actor validates items in one or more datasets against a provided JSON Schema. Use it if you planning to add a dataset validation schema to your actor and you want test it.

Jaroslav Hejlek

OpenAPI Consumer Breakage Gate

quietrelay/openapi-consumer-breakage-gate

API contract monitor for OpenAPI 3.0/3.1. Catch consumer-breaking changes before release: compare an HTTPS spec to a baseline and export Dataset findings, SUMMARY, SARIF, and JUnit for CI or schedules.

quiet relay

Dataset Drift Monitor

checksmithcats/dataset-drift-monitor

Scheduled scraper ran successfully, but did the output quietly change? Compare the current dataset shape with the latest baseline for count, field, missing-rate, and type-distribution drift.