Top API AI tools

Helicone is an all-in-one platform for monitoring, debugging, and improving production-ready LLM applications. It provides tools for logging, evaluating, experimenting, and deploying AI applications.

• Freemium
• From 20$

Hydra is an AI toolkit for product teams, enabling rapid experimentation across the user journey to boost engagement, conversion, and growth.

• Contact for Pricing

LMNT offers next-level AI text-to-speech technology, providing ultrafast, lifelike, and reliable voice generation for various applications.

• Freemium
• From 10$

2markdown is an API service that transforms websites and PDF documents into clean, structured markdown optimized for Large Language Models (LLMs). It streamlines content processing for AI applications.

• Freemium

Optimize logistics operations with Knowstory's AI-driven data extraction from documents for real-time structured data processing.

• Contact for Pricing
• API

LLM Chess allows users to play chess against AI language models like gpt-3.5-turbo and gpt-4 using their own API key.

• Free

Quartzite AI is an advanced prompt editor that enhances interaction with various language models, offering features like version history, cost preview, and a template repository.

• Paid
• From 4$

Zyte provides reliable web data extraction solutions, offering both API access and managed data services for businesses of all sizes. It leverages AI and automation for efficient data collection.

• Usage Based
• From 9$

nele.ai ist eine DSGVO-konforme KI-Plattform für Unternehmen, die Benutzerfreundlichkeit, Sicherheit und Datenschutz vereint. Die Lösung bietet Chat, Wissensdatenbanken und Prompt-Management mit deutschen Serverstandorten.

• Usage Based
• From 10$

Lomni streamlines customer support with AI-powered texting and calling, capable of answering FAQs, processing payments, and integrating with various applications. It offers multilingual support and real-time analytics.

• Paid
• From 89$

DataFuel API scrapes entire websites and knowledge bases in a single query, providing clean, markdown-structured web data instantly for your RAG systems and AI models.

• Freemium
• From 29$

gettxt.ai is a versatile text extraction tool that converts documents, audio, images, and video files into text and Markdown. It offers high-quality OCR processing, multi-language support, summarization, and API integration.

• Usage Based

Tomorrow.io provides weather intelligence solutions, including a Resilience Platform, Weather API, and satellite data, to help organizations mitigate weather-related risks. It leverages AI and proprietary space data for precise insights and automated decision-making.

• Free Trial

Narralize converts PDF documents into concise, AI-powered audio summaries in multiple languages. Reach a global audience with high-quality, natural-sounding audio.

• Paid
• From 30$

RMBG is an AI-powered tool that provides professional-grade background removal from images. It delivers perfect results with precise cutouts, ideal for e-commerce, professional headshots, and digital art.

• Free

SaaSpec allows effortless tracking of important metrics for Pay-as-you-go LLM API usage. It helps create software by tracking user token costs for LLM APIs and exporting user data.

• Paid
• From 30$

Semantic Scholar is a free, AI-powered research tool that provides access to a vast database of scientific literature. It leverages artificial intelligence to enhance research and discovery.

• Free

TFLearn is a modular and transparent deep learning library built on top of Tensorflow, designed to provide a higher-level API to facilitate and speed-up experimentations.

• Free

Descrb uses visual-AI to generate product page content, including attributes, specifications, descriptions, and images, boosting sales and streamlining e-commerce operations.

• Usage Based

Stytch provides comprehensive APIs and SDKs for authentication, authorization, security, and fraud prevention, enabling developers to focus on core product development.

• Freemium

Mitta provides AI-powered APIs that understand conversational language, enabling natural, human-like requests for web applications. Features include smart media file conversions, web crawling, and generative templates.

• Paid
• From 10$

Sisense provides embeddable analytics to drive fast, actionable outcomes within applications. It empowers users to build interactive analytics into products for better decision-making.

• Contact for Pricing

LiteLLM provides a simplified and standardized way to interact with over 100 large language models (LLMs) using a consistent OpenAI-compatible input/output format.

• Free

TensorDock provides cost-effective GPU and CPU cloud infrastructure for deep learning, AI, rendering, and scientific computing. It offers a wide range of GPUs and CPUs at up to 80% lower cost than other cloud providers.

• Usage Based

Face⁺⁺ provides advanced AI-powered facial and body recognition solutions, including detection, comparison, searching, and landmarking, available through Web API and Mobile SDK.

• Free

Ouro is a creator economy platform for designers, engineers, scientists, and artists to collaborate, share, and monetize their digital work. It supports various content formats and offers AI agents to streamline workflows.

• Free

FormX.ai leverages AI to automate data extraction from any document, streamlining workflows and improving accuracy for businesses.

• Freemium
• From 299$

Monkt instantly converts documents like PDF, Word, PowerPoint, Excel, and web pages into clean Markdown or structured JSON, optimized for AI and LLM systems.

• Paid
• From 5$

Latenode is a low-code automation platform that allows users to build custom integrations and automate workflows, offering significant cost savings compared to traditional methods.

• Paid
• From 5$

Greip offers AI-powered fraud prevention services, including payment fraud analysis, content moderation, and IP intelligence, to safeguard businesses from online threats.

• Freemium

Stenography is a tool that automatically generates documentation for your codebase, saving developers time and improving code maintainability.

• Paid
• From 10$

ImagineBox is a user-friendly platform that allows users to generate images using their preferred AI models via API keys. It offers a one-time payment model with no recurring subscriptions.

• Pay Once

Deepengin provides advanced image and video moderation API solutions using computer vision. It helps businesses automatically detect and filter unwanted content, maintaining a safe online environment.

• Paid
• From 9$

Kel integrates AI capabilities into your command-line interface (CLI), enabling automation, enhanced productivity, and intelligent CLI interactions. It supports multiple large language models (LLMs) and is free and open source.

• Free

Feeedbackr allows you to collect and analyze user feedback by embedding a simple button in your app. Focus on building the features that matter most to your users.

• Paid
• From 9$

FlowTestAI is a GenAI-powered Open Source IDE designed for crafting, visualizing, and managing API-first workflows. It offers a fast, lightweight, and localized solution for seamless API integration and enhanced privacy.

• Other

N8ked utilizes advanced AI technology to generate deepnude images. It offers a user-friendly interface, high-quality results, and prioritizes user privacy.

• Freemium

Mistral AI is a research lab developing state-of-the-art open-source and commercial Large Language Models (LLMs) for developers and enterprises.

• Other