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Best 客户忠诚度 APIs

Credit Card Integrity API

Finance & Payments

The Credit Card Integrity API ensures card authenticity by verifying payment card details, offering secure transactions and fraud prevention for online businesses.

Free 7-Day Trial

100% uptime 168ms avg MCP ready

Email Trust Validator API

Security & Cybersecurity

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

Free 7-Day Trial

100% uptime 69ms avg MCP ready

Card Integrity API

Finance & Payments

Assess risk effectively using our Card Integrity API, ensuring robust protection against financial fraud.

Free 7-Day Trial

100% uptime 127ms avg MCP ready

Card Authenticator API

Finance & Payments

Secure your retail operations with the Card Authenticator API, validating customer creditworthiness for informed decisions.

Free 7-Day Trial

100% uptime 56ms avg MCP ready

Trustpilot API

Company Data

The Trustpilot API provides access to verified user ratings of companies, displaying details of reviews, authors, ratings, and experiences.

Free 7-Day Trial

100% uptime 711ms avg MCP ready

Website Authenticity Score API

Data & Analytics

The Website Authenticity Score API provides users with real-time data on a website domain's credibility and influence.

Free 7-Day Trial

100% uptime 640ms avg MCP ready

Authentic Mail Validator API

Communication & Messaging

The Authentic Mail Validator API Protect your database by eliminating disposable and fake emails, improving deliverability, effective communication and optimizing marketing campaigns to real recipients.

Free 7-Day Trial

100% uptime 814ms avg MCP ready

Reliable Authentic Email Validation API

Communication & Messaging

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

Free 7-Day Trial

100% uptime 532ms avg MCP ready

Smart Email Authenticity Check API

Communication & Messaging

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

Free 7-Day Trial

100% uptime 618ms avg MCP ready

Marketing Outreach Email Authenticity API

Communication & Messaging

Boost your outreach success with the Marketing Outreach Email Authenticity API, ensuring genuine engagement.

Free 7-Day Trial

100% uptime 762ms avg MCP ready

Email Reliability API

Communication & Messaging

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

Free 7-Day Trial

100% uptime 5,522ms avg MCP ready

Trustpilot Feedback Capture API

Company Data

Capture valuable Trustpilot feedback to enhance your business strategies and foster customer loyalty.

Free 7-Day Trial

100% uptime 20ms avg MCP ready

FinTech Client Communication Verification API

Communication & Messaging

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

Free 7-Day Trial

100% uptime 10ms avg MCP ready

Certify Secure API

Security & Cybersecurity

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

Free 7-Day Trial

100% uptime 1,045ms avg MCP ready

Email Address Integrity API

Communication & Messaging

Email Address Integrity API: Enhance email accuracy instantly, ensuring messages reach their intended recipients with efficiency and reliability

Free 7-Day Trial

100% uptime 1,541ms avg MCP ready

International Contact Quality Assurance API

Communication & Messaging

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

Free 7-Day Trial

100% uptime 980ms avg MCP ready

Vendor Trust Snapshot API

Security & Cybersecurity

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.

Free 7-Day Trial