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Broken Link Checker Content Type Analysis Extra Keys Detection Blacklist Check Multi-Locale Consistency Spell Check Grammar Check Link Status Checker Diesel Hybrid Systems Grammar Correction Multi-location Checks Smart Link Checking Site Accessibility Solar Hybrid Feasibility Error Reporting URL Preview Validation Deliverability Scoring Redirect Chain Analysis BESS Sizing Localization Quality Check

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Best progress checks APIs

Spell and Grammar Checker API

Natural Language Processing (NLP)

This API is able to detect any spelling or grammar errors in your application. Submit text and receive a JSON response with potential errors and suggested corrections.

Free 7-Day Trial

100% uptime 174ms avg MCP ready

Real Time Email Checker API

Communication & Messaging

Verify emails in real time, detect valid domains, correct formatting, MX records, gravatars, and blacklists to ensure reliable deliverability.

Free 7-Day Trial

100% uptime 236ms avg MCP ready

Mail Check API

Communication & Messaging

Validate email addresses in real time with syntax checks, domain verification, MX records, disposable email detection, role-based email detection, and deliverability scoring.

100% uptime 336ms avg MCP ready

Bulk Link Status Checker API

Tools & Utilities

Check up to fifty addresses per call, or extract every link of a page and validate each one: status code, redirect chain, response time and a working or broken summary. Smart checking with automatic fallback.

Free 7-Day Trial

100% uptime 256ms avg MCP ready

EU Building Energy Compliance API

Sustainability & Green Tech

EPC label, EPBD MEPS compliance, and stranding-risk screening across 8 EU markets — primary energy, solar obligation, renovation cost, and cap-rate discount modelling for lenders and asset managers.

Free 7-Day Trial

100% uptime 30ms avg MCP ready

Solaris Africa Hybrid Feasibility API

Sustainability & Green Tech

Engineering-grade API for rapid solar, battery, diesel hybrid feasibility, financial modelling and lender-ready project screening across African commercial & industrial markets.

Free 7-Day Trial

100% uptime 297ms avg MCP ready

Diesel to Solar Hybrid Feasibility API - Africa

Other

Lender-grade solar+BESS pre-feasibility for African C&I. IRR, DSCR, sensitivity, carbon credits.

Free 7-Day Trial

100% uptime 382ms avg MCP ready

URL Status Check API

Tools & Utilities

Ensure your website's reliability with our URL Status Check API, optimizing user experience effortlessly.

Free 7-Day Trial

100% uptime 415ms avg MCP ready

Uptime API

Tools & Utilities

Uptimer is a powerful API designed to monitor the uptime and performance of websites and services in real-time. It provides instant alerts and detailed analytics, enabling users to ensure their online assets are always functioning optimally. With customizable monitoring intervals, multi-location checks, and integration capabilities, Uptimer helps businesses maintain high availability and enhance user experiences through proactive problem detection and resolution.

100% uptime 4,334ms avg MCP ready

Site Status Checker API

Tools & Utilities

Site Status Checker API allows you to check the status and availability of any website, providing accurate and up-to-date information about its accessibility in real time.

Free 7-Day Trial

100% uptime 2,396ms avg MCP ready

URL Status Checker API

Tools & Utilities

Checks multiple URLs and returns accessibility, redirects, SSL status, content type, response times, and errors if any.

Free 7-Day Trial

100% uptime 2,477ms avg MCP ready

Social Preview QA API

Social Media & Networking

Instantly validate how any URL will appear when shared on Facebook, LinkedIn, Twitter, and WhatsApp. Returns a full JSON report with platform-specific scores, broken tag detection, image dimension checks, and plain-English fix instructions — all in a single API call.

Free 7-Day Trial

100% uptime 1,105ms avg MCP ready

Localization QA API

Natural Language Processing (NLP)

Checks translated JSON, localization strings, placeholders, ICU messages, missing keys, extra keys, empty values, untranslated values, and multi-locale consistency.

Free 7-Day Trial

100% uptime 4,137ms avg MCP ready

Comprehensive EU Building Energy Compliance API for Financial Exposure

Legal & Compliance

Protect your financial exposure with our Comprehensive Comprehensive EU Building Energy Compliance API for Financial Exposure ensuring robust compliance across all standards.

Free 7-Day Trial

100% uptime MCP ready

EU Building Energy Compliance API for Fund Compliance Teams

Legal & Compliance

Facilitate seamless compliance checks with our EU Building Energy Compliance API for Fund Compliance Teams designed specifically for Fund Compliance Teams.

Free 7-Day Trial

100% uptime MCP ready

Acquisitions Focused EU Building Energy Compliance API

Real Estate & Housing

Optimize your acquisition strategies with our Acquisitions Focused Acquisitions Focused EU Building Energy Compliance API, ensuring energy-efficient properties.

Free 7-Day Trial

100% uptime MCP ready

EU Building Energy Compliance Risk Assessment API

Legal & Compliance

Assess risk effectively using our EU Building Energy Compliance Risk Assessment API, safeguarding your investments against non-compliance.

Free 7-Day Trial

100% uptime MCP ready

Lender Focused EU Building Energy Compliance API

Legal & Compliance

Streamline your lending processes with our Lender Focused Lender Focused EU Building Energy Compliance API tailored for energy efficiency standards.

Free 7-Day Trial

100% uptime MCP ready

Developer Insight EU Building Energy Compliance API

Sustainability & Green Tech

Gain valuable insights into building energy compliance with our Developer Insight Developer Insight EU Building Energy Compliance API for informed decisions.

Free 7-Day Trial