Top Dev Tools APIs on API.market

Browse our collection of high-quality Dev Tools APIs

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artificial-intelligence
5.0(2)

πŸš€ Unlock cutting-edge AI with models from OpenAI, Claude, Google Gemini, and Meta Llama. Build transformative experiences with the best in AI! ✨

87β€’24.4K
$1/month
artificial-intelligence
4.5(2)

GPT-5 Nano is OpenAI fastest, cheapest version of GPT-5. It's great for summarization and classification tasks

66β€’603
10K FREE API units
artificial-intelligence
4.5(2)

GPT-5.2 delivers exceptional coding and agentic task automation across industries with superior performance.

17β€’354
10K FREE API units
tools
5.0(1)

Simple image hosting API. Flat pricing. No bandwidth limits. 5–10x cheaper than Cloudinary. Most APIs limit to 10–20 MB. We give you 35 MB per image.

7β€’23
100 FREE API units
artificial-intelligence
5.0(1)

Edit images seamlessly with Google's Nano-Banana AI, delivering high-speed, precise results.

30β€’675.3K
$0.05 per API unit
data
0.0(0)

Lease Clause Risk Assessment & Jurisdiction Compliance Reference

0β€’0
$29/month
data
0.0(0)

Hantavirus Ecology, Outbreak History & Reservoir Species Database

0β€’0
100 FREE API units
data
0.0(0)

EPA GHG Emissions & Carbon Offset Registry - EPA greenhouse gas emissions data for 216 major US industrial facilities plus 51 global carbon offset projects

1β€’4
$29/month
data
0.0(0)

Instantly access comprehensive global noise ordinance, permit, and zoning data covering 85+ jurisdictions, performing efficiently at 60 req/min.

1β€’11
$29/month
email
0.0(0)

Integrate a fast, disposable email service to programmatically receive messages, extract OTPs, and manage temporary inboxes at scale.

3β€’20
500 FREE API units
artificial-intelligence
0.0(0)

Experience low-latency chat completions with GLM-4, Qwen-Turbo, and DeepSeek at unmatched performance and cost savings.

2β€’38
1K FREE API units
artificial-intelligence
0.0(0)

Google's fastest Gemini model. Ultra-low latency, multimodal, China direct connection.

3β€’11
10K FREE API units
scraping
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
email
0.0(0)

SPF, DMARC, DKIM, DNSSEC, MX, BIMI & Spamhaus checks for any domain. A–F grade, issue list, READY/CAUTION/BLOCKED deliverability verdict.

2β€’87
1K FREE API units
artificial-intelligence
0.0(0)

Get seamless access to all Claude models (Claude-4, Claude-3.5 and more) with our high-performance, cost-effective API.

35β€’237
10K FREE API units
artificial-intelligence
0.0(0)

Access the latest DeepSeek V4 Flash model. Fast, affordable, China direct connection, OpenAI compatible.

4β€’77
100 FREE API units
artificial-intelligence
0.0(0)

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

1β€’5
500 FREE API units
artificial-intelligence
0.0(0)

Access GPT-5, GPT-4.1, GPT-4o models directly with high availability and enjoy a 50% discount!

10β€’63
10K FREE API units
dev-tools
0.0(0)

πŸš€ Unlock cutting-edge AI with models from OpenAI, Claude, Google Gemini, and Meta Llama. Build transformative experiences with the best in AI! ✨

32β€’336
10K FREE API units
tools
0.0(0)

Extract Core Certificate Details such as subject, issuer, validity dates, serial number, and signature algorithm, map out the entire certificate trust chain.

2β€’0
300 FREE API units
artificial-intelligence
0.0(0)

Instantly create high-quality, personalized image IDs with blazing speed and contrastive alignmentβ€”perfect for rapid onboarding and visual branding.

9β€’85
$0.05 per API unit
dev-tools
0.0(0)

Instantly validate email addresses by performing domain and MX record checks with high performance and reliability.

2β€’3
$5/month
tools
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
ip-domain
0.0(0)

Retrieve accurate WHOIS data, DNS records, and website insights with a fast and reliable API.

2β€’5
$5/month
tools
0.0(0)

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

1β€’1
$6/month
artificial-intelligence
0.0(0)

⚑50% Discount | Direct and highly available API for all latest Gemini models: Gemini 3 Series, Gemini 2.5 Series, and more

25β€’5.1K
10K FREE API units
data
0.0(0)

Retrieve titles, descriptions, and Open Graph data from any URL with impressive speed and reliability; automate link previews instantly!

2β€’2
1K FREE API units
dev-tools
0.0(0)

Comprehensive text processing API offers Markdown conversion, hashing, base64, and more with fast performance, so enhance your apps now.

1β€’4
3K FREE API units
dev-tools
0.0(0)

Accurately validate emails using MX checks, disposable detection, typo fixes, and confidence scoring with high performance.

2β€’616
3K FREE API units
cybersecurity
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
artificial-intelligence
0.0(0)

GPT-4.1 mini excels at instruction following and tool calling. It features a 1M token context window, and low latency without a reasoning step.

4β€’11
1K FREE API units
artificial-intelligence
0.0(0)

GPT-5 is OpenAI flagship model for coding, reasoning, and agentic tasks across domains

41β€’86
1K FREE API units
artificial-intelligence
0.0(0)

GPT-5 mini is a faster, more cost-efficient version of GPT-5. It's great for well-defined tasks and precise prompts.

14β€’17
1K FREE API units
artificial-intelligence
0.0(0)

GPT-4.1 excels at instruction following and tool calling, with broad knowledge across domains. It features a 1M token context window, and low latency without a

13β€’33
1K FREE API units
artificial-intelligence
0.0(0)

GPT-4.1 nano excels at instruction following and tool calling. It features a 1M token context window, and low latency without a reasoning step.

14β€’273
100K FREE API units
artificial-intelligence
0.0(0)

PPT Generation using AI.

0β€’0
$49/month
e-commerce
0.0(0)

3β€’26
$0.01 per API unit
dev-tools
0.0(0)

Get clean, accurate transcripts from any YouTube video using its URl fast, simple, and ready for subtitles, SEO, or content reuse.

5β€’64
5 FREE API units
cybersecurity
0.0(0)

Check SSL certificate details for any website in seconds. Validate domain security, issuer, and expiry with a fast, simple API call.

3β€’2
5 FREE API units
dev-tools
0.0(0)

Get clean, accurate transcripts from any YouTube video using its URl fast, simple, and ready for subtitles, SEO, or content reuse.

1β€’12
5 FREE API units
artificial-intelligence
0.0(0)

Deliver rapid and precise contextual data with ultra-fast response times.

1β€’2
$0.013 per API unit
artificial-intelligence
0.0(0)

Generate detailed AI images at lightning speed with state-of-the-art performance

1β€’13
$0.0063 per API unit
artificial-intelligence
0.0(0)

Generate high-quality speech in milliseconds using the Chatterbox Turbo TTS model.

2β€’12
$0.035 per 1K chars
artificial-intelligence
0.0(0)

OpenAI-compatible API with 60+ models: Claude Opus/Sonnet, GPT-5, Gemini. Streaming, Vision, Tool Use. Multi-provider failover.

25β€’3.2K
$1/month