Top Dev Tools APIs on API.market

Browse our collection of high-quality Dev Tools APIs

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Code & formatting
5.0(4)

Free, Effortless Image & Video Upload and Retrieval Service

1Kβ€’1.3M
1M FREE API units
Code & formatting
0.0(0)

Generate comprehensive SEO, performance, and content reports for any URL. Export structured JSON reports with actionable insights in one API call.

1β€’1
50 FREE API units
Code & formatting
0.0(0)

The Vector Search API enables users to discover free-to-use vector icons from a vast library of over 700,000+ icons. Each icon is accompanied by a license type.

5β€’5
1.5K FREE API units
Code & formatting
0.0(0)

Generate unique, stylized character avatars from text prompts in seconds with Tencent's Instant Character AI modelβ€”ideal for games, media, and apps.

6β€’910
$0.05 per API unit
Storage & key-value
0.0(0)

The Store Key-Value API is a lightweight, high-performance cloud-based storage solution that enables developers to store, retrieve, and manage key-value pairs.

7β€’7
100 FREE API units
URL & QR utilities
0.0(0)

Instantly shorten long URLs with impressive speed, enhancing user experience across platforms with ease.

1β€’1
$6/month
Parsing & extraction
0.0(0)

Fetch and parse XML sitemaps for any domain. Extract all URLs, detect sitemap indexes, and validate structure for SEO audits and web crawlers.

1β€’1
50 FREE API units
Code & formatting
0.0(0)

Get an instant SEO snapshot of any URL. Returns SEO score, title, meta tags, headings, word count, load speed & key on-page signals in one API call.

3β€’4
50 FREE API units
Code & formatting
0.0(0)

Audit any URL for on-page SEO issues. Extract title tags, meta descriptions, headings, internal links, image alt text & SEO health score. JSON output, free tier

1β€’1
50 FREE API units
Code & formatting
0.0(0)

Analyze websites in real-time for comprehensive SEO insights, delivering a score, identifying issues, and suggesting fixes for enhanced search performance.

2β€’6
500 FREE API units
Parsing & extraction
0.0(0)

Detect and extract all schema.org structured data from any webpage β€” JSON-LD, Microdata, RDFa. Identify Article, Product, FAQ, Review & more.

1β€’1
1K FREE API units
Storage & key-value
0.0(0)

The Read Key-Value API provides a fast, cloud-based storage solution that allows users to retrieve values by specifying unique keys.

5β€’11
1.5K FREE API units
Code & formatting
0.0(0)

The Image to ASCII Art by URL API converts remote images into text-based ASCII representations, making it ideal for command-line interfaces, creative projects.

2β€’4
1.5K FREE API units
Code & formatting
0.0(0)

Rapidly create detailed 3D assets for games, AR & design with Trellisβ€”state-of-the-art AI for fast, production-ready results.

8β€’733
20 FREE API units
Code & formatting
0.0(0)

Expand images beyond their borders in high resolutionβ€”generate new pixels for flawless, seamless resizing in seconds with licensed commercial-safe AI.

3β€’18
$0.05 per API unit
URL & QR utilities
0.0(0)

Create QR codes in various formats (SVG, PNG, base64) with lightning-fast performance and custom error correction levels.

1β€’4
3K FREE API units
Code & formatting
0.0(0)

Uncover website technologies with DNS, TLS, and HTTP analysis, featuring fast CPE identification for enhanced security insights.

2β€’4
100 FREE API units
Document & PDF tools
0.0(0)

Identity Document Verification Reference

1β€’10
$29/month
Code & formatting
0.0(0)

Generate classic β€œLoremβ€―ipsum dolor sit amet …” in any length with a single REST call. Free tier, simple auth, instant JSON output for dev, QA and design teams.

3β€’0
1K FREE API units
Parsing & extraction
0.0(0)

Extract contact details from any webpage β€” emails, phone numbers, social links, address & contact forms. Ideal for lead gen and outreach.

3β€’5
50 FREE API units
Code & formatting
0.0(0)

The Convert Units API provides a simple and efficient way to convert measurements across multiple unit types, including weight, length, temperature, and more.

2β€’6
1.5K FREE API units
Code & formatting
0.0(0)

Save time and effort in coding: Use the Coding Assistant API for intelligent completion, highlighting, and correction tools across multiple programming language

20β€’3K
100 FREE API units
Screenshot & capture
0.0(0)

Capture lightning-fast, pixel-perfect website screenshots, automatically blocking cookie banners and popups with WebShot API, delivering raw images or cached li

1β€’5
100 FREE API units
Document & PDF tools
0.0(0)

Stop yak-shaving, generate a PDF now!

5β€’6
200 FREE API units
URL & QR utilities
0.0(0)

Generate customized, scalable QR codes: Integrate our API for efficient and reliable QR code implementation.

43β€’19.6K
10 FREE API units
Document & PDF tools
0.0(0)

PPT Generation using AI.

0β€’0
$49/month