Best Hopeless API Alternatives in 2025
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Build AI agents and LLM apps with observability, evals, and replay analytics. No more black boxes and prompt guessing.
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TaskingAI brings Firebase's simplicity to AI-native app development. Start your project by selecting an LLM model, build a responsive assistant supported by stateful APIs, and enhance its capabilities with managed memory, tool integrations, and augmented generation system.
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Toolhouse is a Backend-as-a-Service (BaaS) to build, run, and manage AI agents. Toolhouse simplifies the process of building agents in a local environment and running them in production.
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Use AI to tackle the toil in your backlog. OpenHands has all the same tools as a human developer: it can modify code, run commands, browse the web, call APIs, and yes-even copy code snippets from StackOverflow.
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Deploy framework-free AI agents with one API call. No infrastructure setup required - agents are ready to use with a computer, tools, prompts, and capabilities built-in.
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Cloudflare Agents: Durable Objects, Workflows, Workers AI. Build agentic AI with reliable execution, serverless compute, and cost optimization.
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Build reliable AI agents and connect them to 500+ integrations with built-in multi-tenant auth management and granular permissions using our model agnostic platform and unified MCP server.
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FastAgency is an open-source framework that accelerates multi-agent AI workflows from prototype to production. With multi-framework support, unified interface, API integration, and testing tools, it empowers developers to build and deploy efficiently.
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AgentRPC connects AI agents to any function, anywhere. Securely integrate with private networks & handle long tasks easily.
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LightAgent: The lightweight, open-source AI agent framework. Simplify development of efficient, intelligent agents, saving tokens & boosting performance.
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API Hub: Power your apps & AI agents! Find enterprise APIs & tools with seamless MCP integration. Reliable cloud, publish yours easily.
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II-Agent: Open-source AI assistant automating complex, multi-step tasks. Powers research, content, data, dev & more. Enhance your workflows.
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Helicone AI Gateway: Unify & optimize your LLM APIs for production. Boost performance, cut costs, ensure reliability with intelligent routing & caching.
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Production-ready AgentPass connects AI agents to your APIs securely. Simplify integration with robust MCP servers & built-in enterprise security.
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Build action-oriented AI agents code-free. QuickAgent deploys instantly, connects services, and automates tasks without servers. Powerful & easy.
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Build, manage, and scale production-ready AI workflows in minutes, not months. Get complete observability, intelligent routing, and cost optimization for all your AI integrations.
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SuperAgentX, an open - source AI framework, enables building autonomous AI agents for AGI. Features include goal - oriented multi - agents, easy deployment, and flexible LLM config. Ideal for e - commerce, data analysis, and research. Explore AGI possibilities now!
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Experience the power of Portkey's AI Gateway - a game-changing tool for seamless integration of AI models into your app. Boost performance, load balancing, and reliability for resilient and efficient AI-powered applications.
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LazyLLM: Low-code for multi-agent LLM apps. Build, iterate & deploy complex AI solutions fast, from prototype to production. Focus on algorithms, not engineering.
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XPack.AI: The unified platform for AI agents. Instantly connect your AI to 1000+ real-world tools & data securely, no complex APIs.
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Helix is a private GenAI stack for building AI agents with declarative pipelines, knowledge (RAG), API bindings, and first-class testing.
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Simplify and accelerate agent development with a suite of tools that puts discovery, testing, and integration at your fingertips.
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Agent Squad: Open-source framework to orchestrate AI agent teams for complex conversations. Python & TS support, flexible context & routing.
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SmolAgents is a minimalist AI agent framework by Hugging Face, designed to help developers create powerful agents with minimal code.
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Automate web tasks with AI! PowerAgents builds agents for data entry, lead gen & more. Reclaim your time & boost productivity now.
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Secure AI tool-calling with Arcade. Agent Auth, pre-built connectors, & a custom SDK. Connect to Gmail, Slack, APIs & more.
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OpenAgents is an open-source project for building Agent Networks and connecting AI Agents at scale. Developers use OpenAgents to launch and join networks with thousands of agents to collaborate, tackle complex challenges, learn and grow in one community.
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Stop overpaying & fearing AI outages. MakeHub's universal API intelligently routes requests for peak speed, lowest cost, and instant reliability across providers.
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Airweave is an easily configurable platform for turning your (user’s 3rd party app) data into agent knowledge. It allows you to connect to your data sources, process and store the results for your agents to use with ease.
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Personalize your chat experience with multiple AI models, manage & collaborate with your team, and create your own LLM agents without dev team. The best part is that you only need to pay based on your usage; no subscription is needed!