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ZooData is an agent-native commerce intelligence API that returns structured product, competitor, market, and historical data for AI workflows. It is built for agent tools that need clean JSON, realtime signals, and usage-based API access.
derouter.ai is a web API for Claude and GPT models that aims to mirror the official Anthropic and OpenAI interfaces while offering fixed, discounted token pricing. It also supports CLI workflows such as Claude Code and Codex CLI, plus GPT Image 2 image generation.
Auriko is an LLM inference routing API that lets developers access multiple model providers through one integration. It focuses on cache-aware cost optimization, routing control, and reliability for AI applications.
Opper AI is an EU-hosted AI gateway for accessing 300+ models through an OpenAI SDK-compatible API, with optional control-plane features for routing, observability, guardrails, and compliance. It is aimed at developers and teams that want to run AI applications and agents with pay-as-you-go billing and production governance.
Exabase Link Preview is a developer API that fetches title, description, image, favicon, and other preview metadata for any URL. It returns structured JSON for building rich link cards and similar previews.
Sequence is a financial execution layer for AI agents that supports bounded, audited money movement on real US banks. It can be plugged into tools such as n8n, Claude, Base44, and Lovable.
schemafit is a local-first CLI that lints JSON Schema, structured-output specs, and tool definitions against major LLM provider constraints. It helps teams fail CI before provider-specific schema issues reach production.
Schema Source from Tabstack generates JSON Schema, Zod schema, or Pydantic models from a URL. It is built for developers who need structured output from known page patterns and a documented JSON endpoint.
Papermark for agents lets AI agents and custom software create data rooms, upload documents, mint secure links, and read page-level analytics through MCP and REST. It is aimed at teams that want document-sharing workflows to run from agents, the CLI, or server-side code.
Second Hand Tokens is an AI token marketplace and API gateway that lets developers buy unused model credits at 50% off retail. It also supports selling unused credits through the same proxied workflow.
APIddress ist eine E-Mail-Validierungs-API für Echtzeit- und Batch-Prüfungen von Zustellbarkeit, Syntax, Wegwerf- und Risikosignalen. Sie hilft Teams, Signup-, CRM- und Outbound-Adressen vor Bounces oder Betrug zu prüfen.
ZeroGPU is a distributed AI inference layer that routes high-volume tasks to specialized small and nano models across an edge-powered network. It helps developers lower inference costs and latency while keeping integration compatible with existing OpenAI-style API patterns.
Solarch is a web-based backend-architecture tool that validates node-and-edge diagrams as you draw them and can generate matching code from the approved graph. It is aimed at teams and developers who want architecture-first workflows instead of code-first AI generation.
Sublay provides backend infrastructure for user-powered products, with pre-modeled bundles for comments, notifications, files, search, chat, moderation, feeds, follows, and connections. It is aimed at developers who want to install common interaction layers through one SDK instead of building each layer from scratch.
Cleo Legal Data Atlas is a legal data API platform for querying legal regulations, product compliance data, and customs classification across 177 jurisdictions. It includes a REST API, MCP connector, and a free Playground for testing requests before integration.
Chert provides iMessage infrastructure for teams that want to build, automate, and send conversations over Apple’s messaging network. It supports REST API and webhooks, with SMS fallback when a recipient is not on iMessage.
Buffer API is a GraphQL API for connecting Buffer’s publishing and planning features to external tools, scripts, and automations. It helps developers, marketers, and operations teams automate social workflows from code, no-code tools, or AI assistants.
NetworkSpy is an HTTP traffic debugger for modern web, mobile, GraphQL, streaming, and AI applications. It helps developers inspect, replay, and modify application traffic on macOS, Linux, and Windows.
Tabstack Web Research is an API that returns synthesized answers with inline citations from the live web in a single call. It helps teams add sourced research features without building their own research pipeline.
JSON Kit is a browser-based suite of more than 40 JSON tools for developers, covering formatting, validation, conversion to TypeScript, Zod, and other formats, plus repair and inspection tools for AI-generated or API JSON. Core tools are free, run client-side, and do not send data to servers.