Popular APIs AI & Machine Learning Automotive & Vehicle Data Commerce & eCommerce Communication & Messaging Company Data Data & Analytics Entertainment & Media Finance & Payments Food & Nutrition Health & Fitness Legal & Compliance Location & Mapping Market Data & Trading Music & Audio Natural Language Processing (NLP) News & Events Real Estate & Housing Science & Education Search & Discovery Security & Cybersecurity Social Media & Networking Sports & Gaming Sustainability & Green Tech Tools & Utilities Travel & Transportation Visual Recognition & Imaging Voice & Speech Technology Weather & Environment

Visual Data Analysis Image Similarity Unique Identity Fuzz Testing Image Matching Float Precision Online Alias Data Formatting Company Matching Change Tracking Image Comparison User Identity Creation Person Identification Difference Document Flattening Array Conversion Structured Data Text Similarity Diff Generation Confidence Scoring

More Tags

Best 差异 APIs

Distinct Alias Creator API

Social Media & Networking

The Distinct Alias Creator API creates unique online identities, ensuring distinctiveness and seamless integration to deliver elevated user experiences across platforms.

Free 7-Day Trial

100% uptime 152ms avg MCP ready

Text Compare API

Natural Language Processing (NLP)

The Text Compare API is an tools for comparing two texts and highlighting their differences. It offers results in JSON format and pre-rendered for HTML and CLI.

Free 7-Day Trial

100% uptime 127ms avg MCP ready

Image Comparison API

Visual Recognition & Imaging

Image Comparison API facilitates accurate analysis of visual data, enabling seamless comparison and identification across various applications.

Free 7-Day Trial

100% uptime 876ms avg MCP ready

Data Structure Tools API

Tools & Utilities

Validate, pretty print or minify structured data documents, flatten nested documents to dot notation and back, compare two documents field by field, and convert arrays of records to and from spreadsheet friendly text.

Free 7-Day Trial

100% uptime 43ms avg MCP ready

Text Difference and Patch API

Natural Language Processing (NLP)

Compare two texts by lines, words or characters and get a structured difference plus a unified patch, like version control tools produce. Built for change tracking, reviews and audit logs.

Free 7-Day Trial

100% uptime 77ms avg MCP ready

Text Change Detector API

Natural Language Processing (NLP)

The Text Change Detector API is an tools for comparing two texts and highlighting their differences. It offers results in JSON format and pre-rendered for HTML and CLI.

Free 7-Day Trial

100% uptime 263ms avg MCP ready

Change Facial Expressions API

Visual Recognition & Imaging

Transform facial expressions in images with advanced editing technology, enabling smiles, pouts, frowns, and more with our API.

100% uptime MCP ready

Edge Case Generator API

Tools & Utilities

Edge case test data for QA and fuzz testing: Unicode, injection probes, boundary dates, float precision. 16 types, reproducible seeds, and every value explains what it breaks.

Free 7-Day Trial

100% uptime 652ms avg MCP ready

Opinion Analysis API

Natural Language Processing (NLP)

Go beyond sentiment with our Opinion Analysis API to determine if a social post is a promoter, detractor, or indifferent suggestion. Discover what consumers think & feel about your brand and what you can do to strengthen the emotional connection with consumers.

Free 7-Day Trial

100% uptime 2,147ms avg MCP ready

Text Difference Comparison API

Natural Language Processing (NLP)

Text Difference Comparison API allows you to easily compare two strings or texts and view the differences between them. The API returns a JSON for easy processing and also provides pre-rendered results for HTML and CLI output

Free 7-Day Trial

100% uptime 1,571ms avg MCP ready

Similarity API

Natural Language Processing (NLP)

Fuzzy-match names, companies, and text at scale with Similarity API. Send a list, get back the best matches (and confidence scores) — built for real-world typos, casing, spacing, and abbreviations. Processes millions of records in minutes in a single API call.

Free 7-Day Trial

100% uptime 1,695ms avg MCP ready

Face Comparison Validator API

Visual Recognition & Imaging

With this API you will be able to recognize if in 2 pictures the same person appears or not.

Free 7-Day Trial

58% uptime 1,208ms avg MCP ready

FaceMatch Recognition API

Visual Recognition & Imaging

FaceMatch Recognition API to compare two face images and return similarity percentage. Facematch Comparison!

Free 7-Day Trial

100% uptime 4,566ms avg MCP ready

Integer Floating Point Generator API

Tools & Utilities

Integer and floating-point edge cases: int32/int64 limits, NaN, infinity, denormals, and IEEE 754 rounding. Deterministic seeds, and every value explains what it breaks.

Free 7-Day Trial

100% uptime MCP ready

Boundary Value Generator API

Tools & Utilities

Boundary value test data for off-by-one bugs: int32 and int64 limits, max-length strings, empty values. Deterministic seeds, and every value explains what it breaks.

Free 7-Day Trial

100% uptime MCP ready

Date Time Edge Case Generator API

Tools & Utilities

Date and time edge cases: Feb 29, DST gaps, year 2038, leap seconds, and quarter-hour UTC offsets. Reproducible seeds, and every value explains what it breaks.

Free 7-Day Trial

100% uptime MCP ready

Age or Gender Swap API

AI & Machine Learning

Transform facial features with our Age & Gender Swap API, offering gender swaps and age alterations to create diverse photo effects.

93% uptime MCP ready

Efficient Matching Similarity API

AI & Machine Learning

Efficient Matching Efficient Matching Similarity API: Simplify data matching processes with an API designed for speed and resource efficiency.

Free 7-Day Trial

100% uptime 1,937ms avg MCP ready

Lightning Fast Similarity API

Natural Language Processing (NLP)

Lightning Fast Lightning Fast Similarity API: Experience unmatched speed in identifying similar data for real-time insights.

100% uptime 3,110ms avg MCP ready

Real Time Similarity API

Natural Language Processing (NLP)

Real Time Real Time Similarity API: Get instant similarity checks on-the-fly and make data-driven decisions swiftly.

100% uptime 3,110ms avg MCP ready

Similarity API - Batch Text Similarity Processing

Natural Language Processing (NLP)

Eliminate build and maintenance time with Similarity API - substitute your data-cleaning and fuzzy-matching pipe with a professional service optimized for large volumes of messy data. Check out the company website for full list of capabilities.

Free 7-Day Trial