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Best rate limiting APIs

Content Age Filter API

Entertainment & Media

The Content Age Filter API filters and categorizes digital content based on the user's age, ensuring a safe and age-appropriate online experience.

Free 7-Day Trial

100% uptime 237ms avg MCP ready

Censorship API

Tools & Utilities

With Censorship API Filter and censor profanity effortlessly. Ensure clean content by blocking and replacing offensive language.

Free 7-Day Trial

100% uptime 270ms avg MCP ready

RRULE API

Tools & Utilities

Expands an iCalendar RRULE into occurrence dates between a start and end time.

100% uptime 15ms 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 300ms avg MCP ready

Gumroad License Validation Backend API

Commerce & eCommerce

License validation backend for Gumroad and direct software sellers. Verify keys, enforce activation limits, and prevent key sharing without building custom infrastructure.

Free 7-Day Trial

100% uptime 113ms avg MCP ready

Software Licensing Solutions License Verification and Activation API

Security & Cybersecurity

Optimize software ownership with our Software Licensing Solutions API for reliable license verification and activation.

Free 7-Day Trial

100% uptime 129ms avg MCP ready

License Key Validation License Verification and Activation API

Security & Cybersecurity

Validate license keys quickly with our License Key Validation API for enhanced software security and user control.

Free 7-Day Trial

100% uptime 294ms avg MCP ready

Key Sharing Prevention License Verification and Activation API

Security & Cybersecurity

Protect your revenue with our Key Sharing Prevention API, ensuring secure license verification and activation processes.

Free 7-Day Trial

100% uptime 315ms avg MCP ready

US State Speed Limit Information Extractor API

Location & Mapping

Extract detailed US state speed limit information for better route optimization and safety features.

Free 7-Day Trial

100% uptime 55ms avg MCP ready

Speed Limit Data for US States API

Location & Mapping

Easily get speed limit data across US states, ensuring accurate information for drivers and developers.

Free 7-Day Trial

100% uptime 55ms avg MCP ready

US State Speed Limit Map API

Location & Mapping

Access up-to-date US state speed limit data for safe driving decisions and compliance.

Free 7-Day Trial

100% uptime 55ms avg MCP ready

Fetch Web Metrics Information API

Data & Analytics

Access essential web metrics information seamlessly to enhance your site's efficiency with the Fetch Fetch Web Metrics Information API.

Free 7-Day Trial

100% uptime 480ms avg MCP ready

Web Metrics Information API

Data & Analytics

Get reliable domain metrics with domain rating and Ahrefs rank to analyze website authority, measure SEO strength, and improve digital performance.

Free 7-Day Trial

100% uptime 1,168ms avg MCP ready

Age Guard API

Entertainment & Media

The Age Guard API filters and categorizes digital content based on the user's age, ensuring a safe and age-appropriate online experience.

Free 7-Day Trial

83% uptime 215ms avg MCP ready

US State Speed Limits API

Location & Mapping

This API delivers structured access to speed limit data across U.S. states, allowing users to query limits for urban, rural, and highway roads. It enables developers and analysts to integrate transportation policies into their systems easily.

Free 7-Day Trial