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Best reliable APIs

Email Secure API

A robust email validation API to ensure email accuracy by verifying format, domain health, disposability, and risk, enhancing reliability for registrations and communication.

Communication & Messaging Free 7-Day Trial

100% uptime 57ms avg MCP ready

Email Trust Validator API

A secure email validation API that checks format, domain configurations, and email risks, delivering actionable insights and reliability scores.

Security & Cybersecurity Free 7-Day Trial

100% uptime 69ms avg MCP ready

Dependable Currency Exchange API

The Dependable Currency Exchange API ensures precise real-time rates, bolstering financial transactions with security, versatility, and seamless integration for global success.

Finance & Payments Free 7-Day Trial

100% uptime 97ms avg MCP ready

Accurate Email Checker API

Enhance email accuracy with tools for domain validation, disposability checks, and suspicious address detection, ideal for user authentication and marketing campaigns.

Security & Cybersecurity Free 7-Day Trial

100% uptime 224ms avg MCP ready

Reliable Currency Exchange API

The Reliable Currency Exchange API empowers e-commerce, finance, and more with accurate real-time currency conversion, fostering seamless global transactions.

Finance & Payments Free 7-Day Trial

100% uptime 95ms avg MCP ready

Reliable NF-e XML Validator API

Trust our Reliable Reliable NF-e XML Validator API for consistent and accurate validation of your NF-e XML documents to streamline your business processes.

Legal & Compliance Free 7-Day Trial

100% uptime 156ms avg MCP ready

Trusted Email Checker API

Validate and verify email addresses securely to enhance user trust and reduce fraud with our Trusted Email Checker API.

Security & Cybersecurity Free 7-Day Trial

100% uptime 63ms avg MCP ready

Rapid Email Confirmation API

Confirm email addresses rapidly to boost marketing effectiveness and user trust in your campaigns.

Communication & Messaging Free 7-Day Trial

100% uptime 416ms avg MCP ready

Reliable LaunchRaft B2B Business Data API

Trust the Reliable LaunchRaft B2B Data API for consistent and accurate business information.

Company Data Free 7-Day Trial

100% uptime 33ms avg MCP ready

Reliable Authentic Email Validation API

Ensure deliverability with our Reliable Authentic Email Validation API, designed to verify email addresses accurately and efficiently.

Communication & Messaging Free 7-Day Trial

100% uptime 532ms avg MCP ready

Smart Email Authenticity Check API

Trust our Smart Email Authenticity Check API to validate your email contacts and enhance your communication strategy effectively.

Communication & Messaging Free 7-Day Trial

100% uptime 618ms avg MCP ready

Vendor Trust Snapshot API

Instantly assess the trustworthiness of any vendor domain. Returns a scored JSON report covering domain age, email authentication, HTTPS, security signals, legal pages, and support availability — in a single API call.

Security & Cybersecurity Free 7-Day Trial

100% uptime 1,359ms avg MCP ready

FinTech Client Communication Verification API

Streamline FinTech communication with robust verification to enhance client trust and security.

Communication & Messaging Free 7-Day Trial

100% uptime 10ms avg MCP ready

Email Reliability API

The Email Reliability API ensures the accuracy and legitimacy of email addresses, offering a reliable solution for verifying and maintaining data integrity.

Communication & Messaging Free 7-Day Trial

100% uptime 5,522ms avg MCP ready

Accurate Validation API

The accurate validation API provides multiple functions to validate emails, phone numbers, URLs, IP addresses, postal codes and other common data formats.

Tools & Utilities Free 7-Day Trial

100% uptime 1,169ms avg MCP ready

Certify Secure API

Monitor and verify SSL certificates to maintain secure web communications and compliance with encryption standards.

Security & Cybersecurity Free 7-Day Trial

100% uptime 1,045ms avg MCP ready

Real-Time Email Verifier API

Boost your campaigns' success with the Real-Time Email Verifier API for real-time validation.

Communication & Messaging Free 7-Day Trial

100% uptime 844ms avg MCP ready

International Contact Quality Assurance API

Optimize global connections with the International Contact Quality Assurance API, ensuring reliable communication.

Communication & Messaging Free 7-Day Trial

100% uptime 980ms avg MCP ready

Fact Checking API

Introducing our Fact-Checking API, your reliable ally against misinformation. Submit any claim, and our API swiftly validates its accuracy, drawing from a vast database of credible sources. Receive instant verdicts—true, false, or partially true—accompanied by detailed references. Empower your users with verified information, fostering a trustworthy online environment.

News & Events Free 7-Day Trial