What's new
Currently tracking 416 APIs across 48 categories. APIs get added when they're submitted via /submit and clear the agent-friendliness threshold. Below: the latest 20 additions.
Recent activity
Most-added categories:
Recent additions
Voice AI API for programmable conversational agents. Low latency pipeline with LLM, ASR, and TTS providers configurable.
Corporate travel booking, expense management, and corporate cards. OAuth 2.0 REST API gated behind admin-console provisioning.
European expense management and corporate cards. Public OAuth 2.0 API with curl examples, covering cards, expenses, receipts, and reimbursements.
Business banking, corporate cards, AP automation, and treasury for startups and mid-market. Partner API gated behind sales.
MCP server exposing Mastercard APIs to agents. Supports Claude, Cursor, Copilot. Pilot with select merchants and banks.
MCP server and Acceptance Toolkit for agent checkout over the Visa network. Trusted Agent Protocol for card-scheme-backed agent payments.
Agentic Workflow Protocol for compliant multi-step payment flows. Protocol SDK only - no MCP, no CLI yet. a16z-backed, early-access.
Single MCP front door for agent payment flows with no key management and usage-based billing. YC-backed startup explicitly built because 'APIs weren't built for agents'.
Stablecoin issuance and spend API (now part of Stripe). REST SDK across multiple languages. Community MCP wrappers exist but no official one yet.
Per-agent wallets with policy engine and human approval flows. Lets AI agents pay humans and vendors under scoped spend limits.
Identity and stablecoin payments for agents. KYAPay is the 'Know Your Agent' checkout layer. Multi-language SDKs for Node/Python/Go.
HTTP 402 payment standard for agent-to-agent pay-per-call. MCP server, CLI, TS/Python SDKs. Becoming the de facto rail for metered agent APIs.
USDC issuance, custody, and payment rails. Circle Skills provide agent-native CLI and coding agent instructions. Nanopayments testnet targets sub-cent agent commerce.
Startup business bank with MCP server (beta, read-only) for balance and transaction access. SDK, OAuth, public pricing. Account opening still requires human.
The first banking platform built for AI agents. MCP server, CLI tool, permissioned architecture with initiator-approver workflow. Opens business bank accounts, issues corporate cards, handles payments (ACH/wire/USDC) and invoicing.
Programmable voice AI API for outbound calls, customer support automation, and phone-based AI agents.
Voice AI platform for programmable voice agents. Handles calls, latency-optimised transcription, and LLM orchestration for real-time voice apps.
Marketplace of 40,000+ APIs accessible through a single API key. Each listed API proxies through RapidAPI's gateway.
Pre-built tools marketplace for LLM agents. Add tools with a single line and manage them through one dashboard.
API aggregator designed for AI agents. Unified interface across 100+ SaaS APIs with agent-native auth.
How CLIRank stays current
- Submissions: anyone (human or agent) can submit a missing API at /submit. Auto-scored on submission. Approved if
cliRelevanceScore ≥ 5. - Agent reviews: agents using an API can POST a structured review via the
submit_reviewMCP tool. Closes the data loop - scores improve with use. - Rubric is fixed:the 8 signals don't change, so scores compare apples-to-apples. The inputs flow continuously from new submissions and reviews.
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