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API AI Tools

AI tools that expose an API for developers to build on.

1,428 toolsFilter by price, platform & featureEvery tool verified live before listing
  • GPTKit

    3.3

    Six AI detection techniques, trained on a million-document dataset, flag ChatGPT-written text with about 93% accuracy across 100,000+ tested responses.

    Freemium Writing
  • Nureply

    3.3

    AI reads each prospect's role, company, and public info to write a genuinely personalized cold email – plus automated warm-up and conditional multi-step sequences.

    Free Trial Sales & Revenue AI
  • Everypixel

    3.5

    Searches 50+ stock libraries at once and ranks results by an aesthetic quality model rather than by keyword match.

    Freemium Design
  • SnapEdit

    3.4

    One-touch AI object removal, background swaps from 100+ templates, batch process 50 photos at once – 20M+ users, 300M+ photos edited monthly.

    Freemium Image Generation
  • Boclips

    3.7

    Licensed educational video for edtech products and publishers, with AI video highlights and safe, rights-cleared content for AI tutors.

    Contact for Pricing Education
  • Typeform

    4.1

    Conversational forms and surveys with Typeform AI, AI-moderated research studies, and an MCP server that lets your own AI tools drive it.

    Freemium Productivity
  • Talkwalker

    3.8

    Enterprise social listening and media monitoring, now sold as Lumen by Talkwalker, covering audience insights, customer feedback analytics and crisis detection.

    Contact for Pricing Social Media
  • KittensAI

    3.1

    A text-to-image generator that only makes kitten pictures – built on real deep-learning image synthesis, 4,600+ generated so far, with a sister site for dog images.

    Contact for Pricing Image Generation
  • AILab Tools

    3.2

    Free web-based portrait enhancement, background removal, and virtual try-on, plus 50+ commercial APIs for the same – files auto-deleted within 24 hours.

    Freemium Image Generation
  • Wan AI

    3.7

    Free trial credits, multi-model selection, and voiceover generation bundled with text/image-to-video – not a bare pass-through page.

    Freemium Video
  • Filevine

    3.9

    Legal case management with an AI layer branded LOIS, covering drafting, depositions, contracts and medical chronologies.

    Free Trial Legal AI
  • Warmer

    3.5

    Upload a prospect list and AI scrapes social/company intelligence to write a genuinely personalized outreach message for each one – used by professionals at Salesforce, HubSpot and Adobe.

  • Roost.ai

    3.6

    Generates unit, API and UI test cases, and spins up ephemeral preview environments to run them in.

    Contact for Pricing Coding
  • BigML

    3.6

    A machine learning platform aimed at making model building approachable, with private deployments, training and certification programmes.

  • DocuWriter.AI

    3.6

    Generates code documentation, tests and refactoring suggestions from source in any language – the work developers reliably postpone.

    Freemium Coding
  • Nektar.ai

    3.7

    Captures the revenue activity your CRM never recorded, so pipeline reporting reflects what actually happened rather than what reps logged.

    Contact for Pricing Sales & Revenue AI
  • PageGPT

    3.6

    Describe your product and desired look in plain language, get a full landing page back – AI copy, images, and custom animation, no drag-and-drop editor required.

    Contact for Pricing Marketing
  • Deep Talk

    3.7

    Rosie, an AI Analyst, turns raw customer and employee conversations into sentiment analysis, themed categorization, and personalized dashboards – trusted by Mercado Libre and Pfizer.

    Contact for Pricing Data and Analytics
  • Vyrill

    3.6

    Computer vision, audio analysis, and NLP score every user-generated product video across 9+ dimensions – automatically finding, analyzing, and licensing UGC at scale.

    Contact for Pricing Video
  • ReRender AI

    3.8

    Architectural rendering for exteriors and interiors from sketches or reference images, with style transfer, multi-angle rendering and upscaling, in 14 interface languages.

    Freemium Design
  • Lumar

    4.1

    Enterprise website optimization – crawl, monitor, QA and report across SEO, accessibility and the new GEO metrics for being cited by AI search.

    Contact for Pricing SEO
  • Sapien

    3.5

    An intelligence layer for finance and operations teams that reasons across connected systems, built by former AI researchers and finance operators.

    Contact for Pricing Finance & Fintech AI
  • Infinity

    3.9

    Call tracking and conversation analytics that tie phone conversations back to the marketing that caused them, feeding outcomes into Google and Meta.

    Contact for Pricing Data and Analytics
  • Fathom

    3.9

    Meeting notetaker with bot-free capture – it records from a desktop app rather than joining your call as a visible participant.

    Freemium Productivity
  • Tisane Labs

    4.0

    A content moderation API that returns the offending span, its type and severity with a written explanation, and is built to defeat algospeak and character substitution.

    Contact for Pricing Security & Compliance AI
  • Pixian.AI

    3.8

    Background removal that works in the browser with no signup, plus an API, published quality comparisons and an interface in a dozen languages.

    Freemium Image Generation
  • AlphaResearch

    3.6

    AI search across millions of SEC filings, earnings transcripts and press releases – plus sentiment analysis that flags divergence between what executives say and how analysts actually react.

  • TalentLMS

    3.9

    Cloud LMS with an AI course creator and skills-based training, aimed at teams that need courses live without an instructional design department.

    Freemium Education
  • Todoist

    4.0

    A long-established task manager with AI-generated action plans, built by a company that publishes its deliberate position on how AI should be used.

    Freemium Productivity
  • Translate.com

    3.7

    Machine translation plus human expert services across documents, email and design files, including .PDF, .INDD, .AI and .FIG.

    Freemium Writing
  • Contently

    4.0

    Content marketing for regulated industries – a 10K+ vetted creator network with an API and MCP, AI Studio for multi-agent creation, and LLM optimization.

    Contact for Pricing Marketing
  • AtlasFuse

    3.6

    Intelligent knowledge platform for Microsoft 365, built for legal and professional services – knowledge intranets, extranets and expert-finding.

    Contact for Pricing Productivity
  • Zoviz

    3.6

    "The world's first logo generator with native support for 10+ languages" – AI-customized, human-reviewed design plus a full brand kit, website builder and AI video generator.

    Freemium Design

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