Best 181 AI API Design Tools in 2025

Replicate AI, ModelsLab, Cades, Theneo, ComfyOnline, AutoContent API, Callr, Synexa AI, Postlog, Midjourney API by The Next Leg are the best paid / free AI API Design tools.

1.9M
15.11%
3
Execute AI models via API.
58.9K
21.65%
4
Theneo is an AI-powered tool that simplifies API documentation and integration process.
10.6K
59.03%
0
Automated podcast generation and audio content creation platform.
--
85.29%
0
API platform for voice and SMS communication with data insights.
--
100.00%
0
Automatic API documentation generation for various frameworks.
--
65.28%
2
Unofficial Midjourney API for AI image generation.
--
100.00%
7
Takomo.ai is a no-code AI builder that simplifies the creation of unique AI applications and integration into projects.
--
100.00%
0
AI tool enhancing productivity in the Software Development Life Cycle.
--
2
Summary: SuperAPI is a web-based platform for building AI-driven web services using ChatGPT and Google PaLM API.
--
4
wesupplyAI provides machine learning subscriptions, enabling businesses to access AI technology without hiring a data science team.
--
0
AI-powered database for searching products with real-time updates.
--
0
Platform for building and customizing AI agents using representation engineering.
--
0
Centralizes knowledge for better collaboration and productivity.
--
0
AI tool for analyzing and summarizing customer reviews to boost sales.
--
0
Quick LLM integration platform with robust security features.
--
0
AI platform for collaboration on tech projects, streamlining management.
--
0
API platform for multi-customer integrations and AI insights.
--
0
Converts OpenAPI/Swagger specs to AI function call parameters.
--
0
Automate document data extraction for e-commerce using OCR.
--
3
Search Engine for GPT & LLMs to avoid hallucination.
1.0M
50.51%
15
Dify empowers users to create sustainable applications effortlessly.
154.5K
21.70%
1
Build and scale audio-driven AI products with state-of-the-art AI models.
129.2K
7.69%
1
Visual low-code platform for powerful API creation, scheduled jobs, and backend tasks.
117.0K
32.21%
3
ComplyCube is a top SaaS platform offering fast and accurate customer identity verification.
105.4K
14.23%
6
Turn tables into AI chatbots with one click.
63.1K
15.11%
1
HTTPie simplifies API testing for developers with an intuitive interface for HTTP servers.
43.2K
27.89%
1
Beagle Security identifies vulnerabilities and provides remedies to protect web apps and APIs.
23.1K
22.87%
1
Imagga is an API that offers image recognition solutions for tagging, categorization, search, and moderation.
18.4K
12.66%
2
Facial recognition API for accurate face recognition, age and gender detection, and emotion detection.
11.1K
28.70%
3
Nuclia is an AI-powered platform that indexes unstructured data and provides accurate search and answers.
10.2K
41.25%
3
AI-enable products in minutes
7.7K
77.42%
0
Integrate API security testing into SLDC for flaw detection and cost reduction.
7.7K
74.91%
4
API2D is an OpenAI API that provides access to third-party applications for AI tasks like NLP, ML, conversation, generation, and translation.
--
3
Omniinfer is a fast and affordable AI image generation API with over 10,000 models, providing high-quality images in 2 seconds at $0.0015 per image.
--
62.40%
0
Tinq.ai is an AI toolkit offering various NLP capabilities as a service.
--
53.54%
3
Calculate cost of prompt sent to OpenAI API with AiPrice's token counting and pricing estimation.
--
100.00%
3
Code99 is an AI-powered web development tool that simplifies API creation with authentication and email integration.
--
100.00%
3
Rapidly create apps with data integration and a shareable web app. Low-code/no-code interface + best-in-class support.
--
100.00%
3
Streamline job listing processes with our API.
--
0
Andes is an API Marketplace that enables you to enhance your applications with AI technology.
--
100.00%
2
LoginLlama offers API for secure logins and protection against hackers.
--
0
Cloud-based hosting and API access for AI models.
--
1
A marketplace for AI and machine learning APIs, making it easy for users to predict outcomes.
--
1
Summary: "Recall.ai offers developers easy access to real-time meeting data across popular platforms."
--
0
AI work-flows made easy.
--
0
Nokori is a versatile platform for SaaS businesses, offering various features and tools.
--
5
SapienAPI enables websites to understand natural language and improve customer experience without migration.
--
2
Lobby Code streamlines coding with tools, suggestions, and automation for faster, efficient development.
--
0
GreenEyes.AI develops sustainable Computer Vision APIs and SaaS products for a better world.
--
3
NocoAI is a user-friendly platform for building and deploying GPT applications without coding.
--
4
Revolutionizing code generation and project management.
--
0
Interactive documentation with powerful AI.
--
3
GPT-4 powered API for web data extraction.
--
1
Scan or redact sensitive data from documents.
--
0
Cache-as-a-Service for GenAI app development. Boost efficiency, customizable rules, scalable architecture, and detailed analytics.
--
1
Add interior and exterior designing capability to your app or website.
--
0
Identify and filter toxic, indecent, threat, offensive, erotic, and spam comments with DeSpam's privacy-first, zero-logging API.
--
1
Create APIs from CSV files
--
0
AI platform for data privacy
--
0
API design tool with AI code generation
5.1M
12.61%
47
Luma AI enables lifelike 3D capture and photorealistic effects for everyone.
508.9K
20.88%
2
Pinecone is a fast vector database for searching similar items in milliseconds.
329.5K
26.45%
2
Bland AI automates tasks and improves efficiency using machine learning.
288.0K
15.40%
3
TypeScript fullstack platform for reactive apps.
214.0K
13.91%
10
AI image generation & editing APIs with 10,000+ models.
156.8K
14.23%
2
Auto-generate visuals and videos for marketing
114.4K
15.81%
15
Create lifelike avatars with Avaturn using just a selfie, exportable for games, apps, or the metaverse.
103.5K
20.09%
4
NetusAI is a powerful paraphrasing tool with high-quality, undetectable AI models.
82.9K
15.05%
2
One AI platform provides top Generative AI for product integration, with pre-trained and customizable capabilities.
75.6K
12.71%
6
Build next-gen AI products without maintaining GPUs
32.1K
37.33%
3
A platform using machine learning to boost engagement for companies' feeds, recommendations, and notifications.
25.2K
28.81%
2
Real-time search results and brand monitoring with AI-powered data extraction.
19.0K
19.74%
7
Summary: SpeechFlow is a robust API that accurately converts speech to text in multiple languages.
17.0K
45.47%
2
AI-powered no-code app development platform.
12.2K
24.93%
0
Flagright provides AML compliance and fraud prevention solutions for financial service providers.
10.3K
19.65%
0
Boost customer service and cut support workload with Chatwith's custom AI chatbot.
10.0K
27.95%
5
Ready-to-use data and AI infrastructure for intelligent software.
8.8K
47.55%
5
Hosts custom Stable Diffusion models on state-of-art infra.
8.8K
29.71%
6
Riku.AI allows users to build AI models without coding, providing integrations, API access, and share links.
7.0K
20.51%
5
No-code AI platform re:tune enables users to create AI applications without coding.
6.1K
34.30%
3
Real-time noise reduction, reverb removal, voice boost, signal recovery, and stem separation using machine learning algorithms.
--
35.38%
1
AI-Driven Business Logic Testing for Application Security
--
90.96%
0
Raster is a DAM for teams to organize, edit, and host photo assets efficiently.
--
84.72%
1
Deploy conversational AI interface to integrate AI capabilities into products without AI team.
--
36.74%
0
AI email assistant for efficient inbox management
--
100.00%
2
Science-based personalized nutrition coaching.
--
76.63%
4
Unlock your app idea's potential with Co-Founder AI's expert guidance.
--
0
Build better and faster with Hyperaide.
--
100.00%
0
Cape Privacy ensures privacy of sensitive data used with large language models.
--
100.00%
0
PluginLab is a platform that simplifies plugin launch for ChatGPT creators.
--
100.00%
1
Cradl AI is a platform for developers to build document parsing APIs using deep learning.
--
100.00%
2
Meteron AI simplifies AI business growth with load-balancing, storage, and model agnostic capabilities.

What is AI API Design?

AI API Design refers to the conceptual and concrete design of Application Programming Interfaces (API) that leverage Artificial Intelligence (AI) technologies. These APIs provide a bridge for software applications to interact with AI modules, enabling them to leverage AI functionalities such as machine learning, natural language processing, and more without extensive AI knowledge.

AI API Design Insights

United States

Traffic

2.5M

India

Traffic

1.5M

China

Traffic

697.2K

Brazil

Traffic

623.7K

Average

Traffic

155.6K
181 Tools
AI API Design already has over 181 AI tools.
11.9M Total Monthly Visitors
AI API Design already boasts over 11.9M user visits per month.
4 tools traffic more than 1M
AI API Design already exists at least 4 AI tools with more than one million monthly user visits.

What is the top 10 AI tools for AI API Design?

Core Features
Price
How to use

Luma AI

Capture the world in lifelike 3D using iPhone's camera
Unmatched photorealism, reflections, and details
Fields Editor iOS app for editing captured 3D models
Luma API for generating high-quality photorealistic 3D assets and environments at scale
ARKit integration for augmented reality experiences
Support for popular 3D file formats like USDZ and GLTF
Ability to import and work with meshes from Blender
Utilizes advanced technologies including Neural Radiance Fields and Neural Rendering

To use Luma AI, simply download the iOS app from the App Store or access the web API. With the app, users can capture the real world in 3D by scanning objects or scenes using their iPhone's camera. The app utilizes ARKit technology to enable augmented reality (AR) experiences. The captured 3D models can be edited using the Fields Editor iOS app. For advanced users, Luma API offers the ability to generate high-quality photorealistic 3D assets and environments at scale, allowing game artists and CGI professionals to save time in asset creation.

Replicate AI

Run open-source machine learning models
Fine-tune models with custom data
Deploy custom models with Cog tool

Get started with any open-source model using just one line of code. Fine-tune models with custom data for specific tasks. Deploy custom models with Cog tool for scalability and cost-efficiency.

Stability AI

The core features of Stability AI include open source models, such as Stable Diffusion, which puts control in the hands of developers. They also have a high-performance compute power for research and development in various fields such as Image, Language, Audio, Video, 3D, Biology, and more.

To use Stability AI, you can dive into ClipDrop or try DreamStudio. You can also explore their open-source models like Stable Diffusion and join other developers in creating applications using these models as a foundation. Additionally, you can follow their journey by signing up with your email address to receive news and updates.

Dify

Visual composition of AI-native applications
Fast deployment of applications in just a few minutes
Support for GPT-4 and other models
Easy integration of plugins and long context using APIs
Continuous improvement and operation of AI applications
Sound application types and templates

To use Dify, sign up for a free account and log in. You can then start by creating your AI-native application using the visual composition tools. Choose from various application types like chat bot, code converter, SQL generator, news content writing, creative script, summary abstract, personalized dialogue, and Quora question answer. Customize the application based on your requirements and deploy it within minutes. You can also use Dify's API for more advanced integration and plugin options.

AskYourPDF

AI-powered chat interface
PDF document uploading
Intelligent extraction of insights
Instant responses
Informed decision-making

1. Sign up for an account on the AskYourPDF website. 2. Upload your PDF files to the platform. 3. Start a chat with the AI by selecting the desired PDF. 4. Ask questions or provide queries related to the PDF content. 5. Get instant responses and valuable insights from the AI.

Raycast

Blazingly fast launcher
Keystroke-based control of tools
Task completion
Calculations
Sharing common links
Script commands
File search
Window management
Clipboard history
Snippets
Quicklinks
Floating notes
Custom themes
AI-powered chat
Cloud sync
API for extension development

pro $ 49 / year

To use Raycast, simply download the app for Mac and install it. You can then access the launcher by pressing a hotkey. From there, you can use keystrokes to perform various actions, such as opening apps, searching files, running scripts, and more.

Resemble AI Voice Generator with Text-to-Speech and Speech-to-Speech

Voice Cloning
Localization in 60+ languages
Neural Audio Editing
Mobile Android & iOS support
API for programmatically building content

To use Resemble AI Voice Generator, you can either record or upload your voice data to create your AI Voice. You can then build synthetic voices in over 60 languages and customize them with emotions to add more depth and variation. The tool also offers neural audio editing for easy audio manipulation and the ability to create mobile custom voices running natively on Android and iOS platforms. Resemble AI Voice Generator also provides an API to programmatically build content with synthetic voices.

Eraser

AI diagram
AI flowchart
AI architecture diagram
AI documentation
Text to diagram
Image to diagram
Code to diagram

Professional Plan $10 null
Business Plan $20 null

Generate beautiful technical diagrams in seconds from text, code, or images using AI.

AssemblyAI

Transcribe audio files, video files, and live speech into text
Interpret audio for business and personal workflows
Build LLM (Large Language Model) apps on voice data using LeMUR
Unlock rich and accurate data from call recordings
Caption, categorize, and moderate video content
Easily transcribe and analyze insights from virtual meetings
Target and analyze media content from TV, podcasts, and radio

To use AssemblyAI, developers can integrate the API into their applications or services. They can convert audio files, video files, and live speech into text by making API requests. The API provides features like speaker labels, word-level timestamps, profanity filtering, custom vocabulary, and more. Developers can also leverage the Audio Intelligence models and the LeMUR framework to build AI-powered applications with voice data.

Pinecone

High-performance AI applications
Fully-managed and easily scalable
Efficient index creation and data upsertion
Fast and accurate search results in milliseconds
Metadata filtering and namespace partitioning
Configurable replicas and pod sizes for scalability

To use Pinecone, you can create an account and index your data with a few clicks or API calls. After creating an index, you can upsert vector embeddings into the index. Then, you can query your data by providing a vector and retrieve the most similar matches. Pinecone also allows for metadata filtering and namespace partitioning to enhance search capabilities.

Newest AI API Design AI Websites

AI for technical design and documentation. Generate beautiful technical diagrams in seconds from text, code, or images using AI.
Simple, fast, and stable. Deploy AI models with just one line of code.
Automate document data extraction for e-commerce using OCR.

AI API Design Core Features

Integration Support

AI APIs provide a platform for integrating AI functionalities into different software applications.

Scalability

These APIs are designed to scale according to the needs of the application, allowing for flexibility in usage and growth.

Modular Design

AI APIs are designed in a modular manner, allowing developers to utilize only the services and features they require.

Who is suitable to use AI API Design?

AI API Design is suitable for software developers, engineers, and product managers who work in domains where automation, data analysis, prediction systems, chatbots, or any other AI-powered solutions are required. It's also appropriate for businesses looking to streamline their operations or improve their services with AI.

How does AI API Design work?

AI API Design works by mapping the functionality of AI modules into a set of callable functions or procedures which can be used by other software applications. The software sends a request to the API, which then processes the request and returns the result in a standard format that the calling software can interpret and act on.

Advantages of AI API Design

The advantages of AI API Design include: Accelerated development since developers can leverage existing AI functions without having to create them from scratch, Greatly reduces complexity by providing high-level abstractions of complex AI functionalities, Customization possibilities since APIs can be called as needed and tailored to fit specific use-cases.

FAQ about AI API Design

What are some examples of AI APIs?
What technical knowledge is required to use AI APIs?