Best 28 API Services Tools of 2025

finlight.me is a powerful and easy-to-use news API service that provides real-time and historical news data from trusted global sources. Whether you're building a news aggregator, sentiment analysis tool, or financial dashboard, finlight delivers clean, structured news data in milliseconds.

PulpMiner is a tool that can convert any webpage data into a structured real-time JSON API. It eliminates the tedious work of data extraction and API building and provides AI-powered real-time APIs with flexible pricing and immediate setup.

Mistral OCR is an advanced optical character recognition API developed by Mistral AI, designed to extract and structure document content with unparalleled accuracy. It can handle complex documents containing text, images, tables, and equations, outputting results in Markdown format for easy integration with AI systems and Retrieval Augmented Generation (RAG) systems. Its high accuracy, speed, and multimodal processing capabilities make it excel in large-scale document processing scenarios, particularly suitable for research, legal, customer service, and historical document preservation fields. Mistral OCR is priced at $1 per 1000 pages for standard usage, with bulk processing reaching $2 per 1000 pages, and also offers enterprise self-hosting options to meet specific privacy needs.

Colossal provides a global agent directory, allowing users to easily connect and integrate various AI agents capable of executing API calls, thereby simplifying the tool development process. It offers businesses an efficient way to manage and automate common workflows such as customer support, messaging, and order management. Through integration with several well-known platforms (such as Zendesk, Twilio, Slack, etc.), Colossal helps businesses save development time and costs while increasing operational efficiency. It aims to provide commercial users with a one-stop AI agent integration solution. Pricing is yet to be determined but is expected to be based on usage or company size.

The OpenAI API's Responses feature allows users to create, retrieve, update, and delete model responses. It provides developers with powerful tools for managing model output and behavior. Through Responses, users can better control the generated content of the model, optimize model performance, and improve development efficiency by storing and retrieving responses. This feature supports multiple models and is suitable for scenarios requiring highly customized model outputs, such as chatbots, content generation, and data analysis. The OpenAI API offers flexible pricing plans to suit the needs of individuals to large enterprises.

The Zinc API is a retail-focused API service aimed at providing high-quality retail data and order processing capabilities for AI agents and automation tools. By simplifying integration with major retailers, it helps developers quickly build and expand retail-related applications. Key advantages of the Zinc API include real-time and accurate data, robust order processing capabilities, and AI-friendly interface design. With over a decade of experience as a retail API provider, it offers reliable and secure connections while supporting end-to-end automation from search, product details to order tracking, making it ideal for AI companies and developers looking to rapidly scale their retail business.

Brand.dev offers a powerful API service that retrieves brand information for any domain through a single API call, including logos, primary colors, descriptions, classifications, and more. The significance of this service lies in its ability to help businesses enrich transactional data, improve user conversion rates, and create personalized brand experiences. Background information reveals that companies using Brand.dev services have seen an average conversion rate increase of 35% within six months.

Cartesia offers real-time multimodal intelligent technology aimed at servicing various devices. Key products include two main functionalities: Sonic and On-Device. Sonic is a fast, hyper-realistic generative voice API driven by next-generation state space models. On-Device provides real-time models capable of rapid, private, offline inference on users' devices. Cartesia's product background is rooted in meeting users' demands for real-time intelligent services, particularly concerning privacy and speed. The products are positioned to provide efficient and secure technological solutions to support intelligent applications across devices.

Speakeasy is a platform focused on API tools, providing top-notch SDKs, API documentation, Terraform providers, and end-to-end testing capabilities. Based on OpenAPI and supporting various programming languages, it helps developers enhance API integration efficiency, reduce support costs, and broaden the potential user base. By automating SDK production, Speakeasy enables organizations to cost-effectively meet customer programming language needs and lower integration costs.

Nfig is an API designed for AI agents, allowing them to browse, click, and perform tasks on webpages using natural language commands. By providing an easily integrable API, it enhances AI workflows and unleashes powerful agent capabilities. Nfig supports complex operations such as automated logins and DOM virtualization, enabling AI agents to tackle previously unattainable tasks. The product description emphasizes its developer-friendly design, security, self-healing capabilities, and commitment to data privacy. Nfig employs a pay-as-you-go pricing strategy, with no monthly commitments, allowing users to only pay for the services they actually use.

Prelude is an SMS verification API platform designed for developers, offering low-cost and efficient SMS sending services that help implement user verification functionalities in applications. Through AI routing and partnerships with multiple SMS providers globally, Prelude ensures high delivery rates and conversion rates while reducing verification costs. Prelude's mission is to assist developers in achieving user verification globally at a lower cost, facilitating user growth.

The OpenPhone API is a phone system and communication interface designed for businesses, allowing users to integrate calls, SMS, and contacts more deeply into their tech stack. This API supports automated message sending, keeps contacts synchronized, captures activities in CRM systems, and facilitates custom integrations. It uses API keys for authentication, ensuring secure access to account data and functions. The primary benefits of the OpenPhone API include streamlining system operations, replacing multiple platforms with a single tool, and providing key information previously inaccessible via Webhooks.

API Easy is a platform offering API services supported by OpenAI and Claude models, allowing users to access these models for various AI tasks through API interfaces. The platform is characterized by high stability, competitive pricing, and no need for proxies, making it suitable for developers and businesses requiring AI model support.

The Suno API is an open-source project that allows users to set up their own Suno AI music service API. It implements the creation API for app.suno.ai, is compatible with the OpenAI API format, supports customizable modes, can be deployed with one click to Vercel, and is licensed under the open-source license, allowing for free integration and modification.

HueMankey is a user avatar API for developers. It can assign a unique avatar to each user, supports batch requests and can be directly stored on the platform. It provides lightweight image data that dynamically adapts to user scale and offers flexible subscription plans.

ApyHub is a directory of over 100 APIs, ranging from simple tools to complex AI solutions. Find, test, and manage the APIs that best suit your application.

The Zero & All Things Large Model Open Platform is a platform that provides access to high-quality Zero & All Things large models through API calls. The Yi series models are based on the cutting-edge research achievements and high-quality data training of Zero & All Things, and have achieved SOTA performance on multiple authoritative lists. The main products include yi-34b-chat-0205, yi-34b-chat-200k, and yi-vl-plus models. yi-34b-chat-0205 is an optimized chat model with an improved instruction compliance ability by nearly 30%, significantly reduced response latency, suitable for chat, Q&A, and dialogue scenarios. yi-34b-chat-200k supports up to 200K long contexts and can process content of approximately 200,000 to 300,000 Chinese characters, suitable for document understanding, data analysis, and cross-domain knowledge application. yi-vl-plus supports high-resolution image input and possesses capabilities of image Q&A, chart understanding, OCR, and is suitable for analyzing, recognizing, and understanding complex image content. The API advantages of this platform include fast inference speed and full compatibility with the OpenAI API. In terms of pricing, new registered users receive a 60 yuan trial amount, yi-34b-chat-0205 is priced at 2.5 yuan per million tokens, yi-34b-chat-200k is priced at 12 yuan per session, and yi-vl-plus is priced at 6 yuan per million tokens.

Aipify is the best choice for your AI Power API needs. With Aipify, you can access structured responses, powerful performance, and secure, fast, affordable, and scalable access to the latest AI models, including GPT-4, to enhance your application's capabilities.

Gladia's Speech-to-Text API, powered by cutting-edge Whisper ASR technology, converts spoken content into text while offering additional value features like translation and audio intelligence analysis. This API is suitable for various applications such as virtual meetings, work collaboration, content creation, and call centers. Known for its exceptional accuracy and reliability in transcription, the API also provides multilingual translation and audio intelligence analysis to enhance user efficiency in handling spoken content. The pricing is flexible and transparent, allowing developers to choose the appropriate plan based on their requirements. Gladia's Speech-to-Text API is committed to providing robust voice processing power to developers, helping them build innovative voice applications.

Lemonfox.ai is a platform providing cost-effective AI API services, focusing primarily on language model APIs based on GPT-3.5. While compatible with OpenAI, Lemonfox.ai's pricing is a quarter of OpenAI's, making it ideal for building applications with chat and writing capabilities. Furthermore, Lemonfox.ai offers stable diffusion model-based image generation APIs and speech recognition APIs.

SingleAPI is a GPT-driven API that can convert any website into its own API within seconds. It can rapidly extract data from any website without requiring any selectors to be written.

Signway provides pre-signed URL functionality for your OpenAI applications, enabling serverless data streaming. With pre-signed requests, users can directly receive streamed responses from their terminal devices without server-side data processing. Simply create a pre-signed URL. The free plan offers 10 requests per second, 1 MB of data transfer per request, and 1 application. Paid plans are charged based on usage.

IntellAPI is a smart API service that provides a simple way to integrate AI into your applications. It can handle complex models without the need for you to build your own massive computer infrastructure. IntellAPI offers a variety of functionalities, from linguistics to mathematics, allowing you to retrieve various types of information through API requests. We offer different pricing plans to cater to various needs.

Anonymized ChatGPT is an API service that provides strong personal privacy protection. It enables developers to leverage the powerful capabilities of ChatGPT while safeguarding data privacy, making software smarter. By using useCloak.ai, you can save valuable time and effort, allowing you to focus on core product features and improvements. Our service guarantees data privacy, complies with data protection regulations, and earns user trust.

ChatGPT API is a high-quality chat generation API that allows developers to easily integrate the ChatGPT model into their own applications. It provides an interface to access ChatGPT's powerful chat generation capabilities, allowing users to interact with ChatGPT in real-time by sending requests and receiving high-quality chat responses. It does not require registration or payment thresholds from OpenAI, is not geographically restricted, nor is it limited by frequency. It protects user privacy and does not store any data. It features fast response times and high-quality network connections, supporting mainstream API formats and clients.

SuperAPI is a platform that integrates various commonly used APIs, providing rich features and advantages, including data processing, natural language processing, image recognition, and video processing. We offer flexible pricing plans suitable for both individual developers and enterprise users. Our focus is on providing convenient and efficient API services.

Prompt APIs is an API platform that allows you to build and deploy APIs in seconds. It offers a range of functionalities, including generating apologies, inspiration, insults, keywords, and simplifying complex texts using plain language. Users can select the APIs best suited to their needs and integrate them into their applications. Prompt APIs also provides a simple deployment and debugging process, allowing users to easily deploy their APIs to Steamship's cloud and debug locally. Additionally, Prompt APIs offers both a free trial and paid plans, allowing users to choose the option that best meets their requirements.

Eden AI provides a one-stop API access covering various AI technologies, including generative AI, text analysis, image analysis, video analysis, OCR/document parsing, and speech transcription. The product boasts advantages of ease of use, diversity, and efficiency. For detailed pricing and positioning information, please visit the official website.