Best AI API Design tools

Superflows

Superflows is a platform that lets SaaS companies add an AI assistant to their product. It connects to the product's APIs and documentation to answer user queries and take actions.

Pinecone

Pinecone is a fully managed vector database for building AI applications. It provides fast retrieval, automatic indexing, and consistent query performance at any scale.

Booom.ai

Booom.ai provides a real-time multiplayer backend for apps and games, enabling developers to add collaborative features without server setup. It supports multiple frameworks and engines, including React, Unity, and Godot.

One AI

One AI provides AI phone call agents that automate inbound and outbound calls, qualifying leads and booking meetings. It is designed for sales teams looking to increase contact rates and streamline handoffs.

Stable Diffusion

Stability AI provides enterprise-ready generative AI tools for content production, including image, audio, and video models. It serves teams and creators in marketing, gaming, and entertainment.

Verbatik

Verbatik is an all-in-one AI creative platform for generating lifelike voiceovers, cloning voices, creating videos, music, images, and sound effects. It is designed for content creators, developers, and businesses needing multilingual content in over 150 languages.

Aigur.dev is a website that provides information and links on various topics. It appears to be a placeholder or minimal site with no specific tool functionality described.

Metaphor Systems

Exa is a search API designed for AI agents, providing real-time web data, deep research, and structured content from a single endpoint. It is used by developers and teams building AI agents that need high-quality, low-latency search capabilities.

Berri AI

LiteLLM is an open-source AI gateway that provides a unified API for accessing 140+ LLM providers and 1,800+ models. It enables platform teams to manage access, monitor usage, control costs, and route requests across models, agents, and MCP servers.

Evoke

Evoke is a music generation tool for events. It provides a professional space for users to log in and create an account.

Shaped

Shaped is a vector database with a feedback loop that powers personalized search and recommendations. It has been acquired by Whatnot.

AssemblyAI

AssemblyAI provides speech-to-text APIs and voice agent infrastructure for developers. It offers pre-recorded and real-time transcription, speech understanding, and guardrails for building voice-enabled applications.

Nuclia

Progress Agentic RAG is a platform that turns enterprise documents, files, and media into AI-ready knowledge. It powers assistants, agents, and search from a single governed layer.

HTTPie AI

HTTPie is an API testing client available for terminal, web, and desktop. It is designed for developers who need a simple and intuitive tool for working with HTTP servers, RESTful APIs, and web services.

Retune offers a two-minute diagnostic to identify the growth constraint between a business and its growth. It helps users determine whether their issue is lead generation, conversion, or retention.

Riku.ai

Riku.ai is a no-code platform for building AI applications. It allows users to create, experiment, and deploy AI-powered tools without writing code.

Tinq.ai - NLP API

Chirp is a voice assistant for sales teams that updates CRM records and schedules follow-ups from spoken commands. It is designed for sales representatives who want to save time on manual data entry.

Symbl.ai

Symbl.ai provides APIs and SDKs for real-time conversation intelligence, enabling developers to build AI agents and analytics from voice, video, and chat data. It is designed for enterprises to enhance customer calls, meetings, and support interactions.

Resemble

Resemble AI is a generative AI security platform that detects and verifies synthetic audio, image, and video. It serves enterprises needing to protect decision-making and comply with AI content standards.

Luma AI

Luma AI is a creative AI platform for video and image generation. It offers models like Ray and Uni, and agents that handle end-to-end creative workflows, trusted by agencies and brands.

Raycast

Raycast is a fast, ergonomic launcher for Mac that provides a collection of productivity tools within an extendable interface. It is designed for professionals who want to streamline their workflow with keyboard-first commands and AI-powered features.

CapeChat

CapeChat is an AI-powered automation platform for business process operations. It helps banks and trust companies streamline client instructions for moving money by converting unstructured data into structured actions.

AiPrice

AiPrice is an API service that calculates the estimated cost of prompts sent to the OpenAI API. It counts tokens and applies pricing based on OpenAI's pricing plans, supporting all OpenAI models.

AskYourPdf

AskYourPDF lets you embed an AI chatbot on your website trained on your content, and chat with PDFs to get instant answers. It also includes an AI form filler that auto-fills PDF forms from your documents.

Cradl AI

Cradl AI is an AI platform for automating document data extraction workflows. It enables users of n8n, Zapier, and Microsoft Power Automate to extract structured data from documents and integrate it into automated workflows.

msgmate.io

Open-Chat Go is a federated chat app built for the msgmate AI. It is decentralized and self-hostable, supporting both proprietary and open-source AI backend models.

Spine

Spine is an agentic platform that runs parallel AI agents across 300+ models to research, create client-ready deliverables, and automate work across your apps. It is designed for professionals in fields such as investing, consulting, legal, medical, and sales.

Domesticating ai for your business

HaiVE is an AI agent studio that deploys AI agents for customer service and sales. It offers both self-hosted on-premise and SaaS options, with pricing starting at $0.05 per voice minute.

ShareID is a modular digital trust platform compliant with eIDAS 2. It covers all levels of assurance, combining document IDV, passive and active liveness, EUDIW attestations, and privacy-friendly strong authentication.

InvictaAI

Invicta AI is a no-code platform for building teams of AI agents that automate complex workflows. It connects to 70+ tools and all leading LLMs, and is designed for businesses looking to scale operations with reliable AI automation.

SuperAPI.ai

Alicent is a digital sales analyst that monitors public sources to identify sales opportunities for businesses selling to the public sector. It provides real-time alerts and suitability analysis to help sales teams prioritize leads.

Backengine

Backengine is a platform for building apps, agents, and startups using AI models. It offers a marketplace for ready-made AI teams and is free to use, with no credit card or API key required.

stablediffusion api

Stable Diffusion API is a REST API for generating images using Stable Diffusion and community models. It is aimed at developers who want to integrate image generation into their applications without managing GPU infrastructure.

EnergeticAI

EnergeticAI is a TensorFlow.js optimization for serverless functions, offering fast cold-start and small module size. It provides pre-trained models for embeddings and classifiers, targeting Node.js developers.