 Email API for developers with React Email, batch sending, and an official MCP server MCPOpenAPIllms.txt | email+3 | MCP+2 | — | api-key, Messaging | 5/5 | | |
 Error and performance monitoring with AI agent tracing, plus a remote MCP server MCPOpenAPIllms.txt | errors+3 | MCP+2 | — | api-key, Observability | 5/5 | | |
 Shared payment tokens, agentic network tokens, and ACP support so businesses can sell through AI agents MCPOpenAPIllms.txt | agentic-commerce+4 | MCP+2 | ACP+3 | api-key, Payments | 5/5 | | |
 Issue virtual cards agents can spend on, with real-time authorization decisions, per-card spend controls, and full transaction visibility MCPOpenAPIllms.txt | virtual-cards+4 | MCP+2 | MPP | api-key, Payments | 5/5 | | |
 Postgres with pgvector, auth, storage, edge functions, and a remote MCP server MCPOpenAPIllms.txt | database+4 | MCP+2 | — | api-key, Memory | 5/5 | | |
 Search, extract, and crawl endpoints tuned for RAG and agent loops MCPOpenAPIllms.txt | search+3 | MCP+2 | — | api-key, Search | 5/5 | | |
 API key issuance, per-key rate limits, and usage analytics for machine-to-machine access MCPOpenAPIllms.txt | api-keys+3 | MCP+2 | — | api-key, Identity | 5/5 | | |
 Serverless Redis, Vector, and QStash with per-request pricing and an official MCP server MCPOpenAPIllms.txt | redis+4 | MCP+2 | — | api-key, Memory | 5/5 | | |
 Voice agent platform handling telephony, turn-taking, interruptions, and warm transfers MCPOpenAPIllms.txt | voice-agents+3 | MCP+2 | — | api-key, Messaging | 5/5 | | |
 Unified model endpoint with failover, spend limits, and observability, wired into the AI SDK MCPOpenAPIllms.txt | llm+3 | MCP+2 | — | api-key, Models | 5/5 | | |
 Thousands of app actions exposed to agents through a hosted MCP endpoint, no per-app integration work MCPOpenAPIllms.txt | automation+3 | MCP+2 | — | api-key, Platforms | 5/5 | | |
 Temporal knowledge-graph memory (Graphiti) with bi-temporal validity, so agents can query what was true when MCPOpenAPIllms.txt | agent-memory+3 | MCP+2 | — | api-key, Memory | 5/5 | | |
 Session replay, cost tracking, and failure analysis purpose-built for agent runs OpenAPI | observability+3 | OpenAPI | — | api-key, Observability | 4/5 | | |
 Blockchain node and data APIs — transfers, tokens, NFTs, and webhooks — payable per request over MPP MCPOpenAPIllms.txt | blockchain+3 | MCP+2 | MPP | api-key, Search | 4/5 | | |
 Commission-free US stocks, options, and crypto brokerage API with a free paper-trading environment MCPllms.txt | brokerage+5 | MCP+1 | — | api-key, Markets | 4/5 | | |
 Flight, hotel, and destination content APIs with self-serve keys and a free test environment | flights+3 | — | — | api-key, Merchants | 4/5 | | |
 Managed browsers for agents with persistent authenticated profiles and proxy handling MCPOpenAPI | browser+3 | MCP+1 | — | api-key, Browsers | 4/5 | | |
 Speech recognition, diarization, and audio intelligence models via API OpenAPIllms.txt | stt+3 | OpenAPI+1 | — | api-key, Speech | 4/5 | | |
 Dedicated deployments and autoscaling inference for open and custom models OpenAPIllms.txt | llm+3 | OpenAPI+1 | — | api-key, Models | 4/5 | | |
 Web unlocker, SERP, and dataset APIs at scale, with an MCP server for agent access MCPOpenAPIllms.txt | scraping+4 | MCP+2 | — | api-key, Browsers | 4/5 | | |