AI reading and writing assistant for rapid content creation.
Best API Enabled AI Tools of 2026
Every tool here exposes a developer API you can build on — REST, SDKs, or webhooks — so you can wire its AI capability straight into your own product. Spanning every domain from image and audio to data and code, liveness-verified, and ranked by real traffic. If you are shipping a feature and need the model or capability behind an endpoint, start here.
See the ranked list ↓The ranked list
Showing 24 of 3434 live tools · ranked by real traffic
Free AI paragraph generator with tone and length controls, bundled with rewriter, summarizer and grammar tools.
Free platform bundling 80+ AI writing tools for blogs, ads, social, SEO, code and business copy, with multi-format export.
Developer API gateway offering one endpoint to 100+ LLMs (GPT, Claude, Gemini and more) with usage-based pricing.
AI humanizer that rewrites AI-generated text to read as human and slip past detectors like Turnitin and GPTZero.
AI communication assistant for real estate agencies to qualify leads, answer inquiries, and book viewings across chat and calls.
AI dubbing and subtitling tool offering voiceovers in 140+ languages, auto-captions and voice cloning for video creators.
Conversational AI for financial institutions, with compliant agents across email, SMS, and voice for the borrower lifecycle.
AI tool for multifamily real estate underwriters that auto-extracts rent rolls and T12s from PDFs into Excel.
AI scoring platform ('Betty') that ranks homeowner leads for roofing and real estate investor direct-mail campaigns.
French-language spelling and grammar checker with rewriting suggestions, browser extensions, and app integrations.
GDPR-compliant AI scribe API that veterinary practice-management software vendors embed to auto-generate consult notes.
Third-party AI chat wrapper marketed around 'Grok 4' branding, selling token-based access to a chatbot; not xAI's official Grok.
Pay-per-use browser video upscaler that renders clips up to 4K, priced by resolution, frame rate, and duration.
AI data-analyst tool that answers plain-English questions about your data with charts, tables, spreadsheets and reports.
All-in-one AI platform aggregating 15+ video, image, music and voice models with pay-per-credit, no-subscription pricing.
Google Labs experiment for building and sharing AI mini-apps by chaining prompts, models and tools via natural language.
ScraperAPI is a data extraction service that transforms websites into structured, automation-ready data
Managed proxy that secures API keys for iOS/macOS apps calling AI providers, with rate limiting and monitoring.
AI-powered website that jokingly predicts your vote based on your face.
AI photo colorizer that adds realistic color to black-and-white images with 21+ adjustable filters and credit-based pricing.
AI storybook maker that turns a prompt into an illustrated, character-consistent picture book (text, art, PDF) in about a minute.
Open-source AI cost management platform for SaaS businesses using LLMs.
API Enabled AI Tools tools compared
| Tool | Best for | Free tier | Price | Monthly visits |
|---|---|---|---|---|
| ReadPo | AI reading and writing assistant for rapid content creation. | — | $8/mo | — |
| AI Paragraph Generator | Free AI paragraph generator with tone and length controls, bundled with rewriter, summarizer and grammar tools. | Yes | $4.99/mo | — |
| aiWritely | Free platform bundling 80+ AI writing tools for blogs, ads, social, SEO, code and business copy, with multi-format export. | Yes | Free | — |
| OfoxAI | Developer API gateway offering one endpoint to 100+ LLMs (GPT, Claude, Gemini and more) with usage-based pricing. | — | Paid | — |
| OFManager | — | — | — | — |