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Best integrity 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 Integrity API

Communication & Messaging

"The Email Integrity API ensures email accuracy by detecting invalid, disposable or temporary email addresses, which is crucial for effective communication."

Free 7-Day Trial

100% uptime 86ms avg MCP ready

Address Integrity API

Security & Cybersecurity

"Address Integrity API: Enhance data accuracy and security by validating email addresses with domain verification, filtering out invalid entries seamlessly."

Free 7-Day Trial

100% uptime 126ms 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

Email Integrity Check API

Communication & Messaging

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

Free 7-Day Trial

100% uptime 316ms 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

Website Due Diligence API

Security & Cybersecurity

Get a comprehensive trust and quality report for any website. Analyzes DNS health, SSL certificates, security headers, content quality, performance indicators, and overall trust score.

Free 7-Day Trial

100% uptime 371ms avg MCP ready

Email Integrity Validation API

Communication & Messaging

The Email Integrity Validation API boosts data integrity and communication reliability through rigorous validation of email format, domain accuracy, and deliverability, ensuring precision in email addresses.

Free 7-Day Trial

100% uptime 755ms avg MCP ready

Text Coherence Validator API

Natural Language Processing (NLP)

Examines any text and provides a coherence score, assessing the logic, consistency, and clarity of the content.

Free 7-Day Trial

100% uptime 477ms avg MCP ready

Mail Integrity API

Communication & Messaging

The Mail Integrity API ensures accurate and deliverable email addresses, enhancing communication effectiveness and maintaining a high-quality contact list.

Free 7-Day Trial

100% uptime 799ms avg MCP ready

Text Consistency Validator API

Natural Language Processing (NLP)

Examines any text and provides a coherence percentage, assessing the logical flow, consistency, and clarity of the content.

Free 7-Day Trial

100% uptime 519ms 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

Content Integrity Checker API

Natural Language Processing (NLP)

Ensure content originality by detecting reuse, paraphrasing, and semantic adaptation across multiple languages.

Free 7-Day Trial

100% uptime 814ms avg MCP ready

SSL Integrity Monitor API

Security & Cybersecurity

Protect sensitive data by evaluating SSL configurations, checking expiration dates, issuing authorities, and encryption details.

Free 7-Day Trial

100% uptime 609ms avg MCP ready

Precision Domain Ownership Insights API

Company Data

Unlock valuable insights into domain ownership with the Precision Domain Ownership Insights API, enhancing your decision-making.

Free 7-Day Trial

100% uptime 642ms 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

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

100% uptime 1,359ms 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

Email Sanity Checker API

Finance & Payments

Ensure email integrity with Email Sanity Checker API, detecting spoofing and phishing threats seamlessly.

Free 7-Day Trial

100% uptime 813ms avg MCP ready

Freelance Project Email Trustworthiness API

Communication & Messaging

Enhance freelance interactions with our API to verify email trustworthiness for project collaboration.

Free 7-Day Trial

100% uptime 1,524ms avg MCP ready

Content Authenticity API

Science & Education

Ensure content originality with real-time plagiarism detection, matched source links, and detailed similarity analysis. Supports large text submissions for academic, creative, and professional use.

Free 7-Day Trial