 Preprocessing API that turns PDFs, decks, and images into chunked, RAG-ready elements OpenAPI | documents+3 | OpenAPI | — | api-key, Vision | 4/5 | | |
 Search and context API spanning web, academic, and financial sources for agents MCPOpenAPIllms.txt | search+3 | MCP+2 | — | api-key, Search | 4/5 | | |
 Ephemeral microVMs for running untrusted or agent-generated code, billed on active CPU MCPOpenAPIllms.txt | sandbox+3 | MCP+2 | — | api-key, Compute | 4/5 | | |
 Network tokens and credentials for approved agents, plus one endpoint bridging TAP, MPP, ACP and UCP OpenAPI | bridge+7 | OpenAPI | MPP+5 | api-key, Payments | 4/5 | | |
 Open framework using HTTP Message Signatures (RFC 9421) so merchants can recognize and trust a legitimate agent before it transacts OpenAPI | tap+4 | OpenAPI | TAP | none, Payments | 4/5 | | |
 Tracing, evaluation, and monitoring for LLM apps inside Weights and Biases MCPOpenAPI | observability+3 | MCP+1 | — | api-key, Observability | 4/5 | | |
 Open-source vector database with hybrid search, agents, and a managed cloud tier MCPOpenAPIllms.txt | vector-db+3 | MCP+2 | — | api-key, Memory | 4/5 | | |
 Grok models with function calling, structured outputs, and live search grounding OpenAPI | llm+2 | OpenAPI | — | api-key, Models | 4/5 | | |
 Managed Milvus vector database for billion-scale similarity search MCPOpenAPIllms.txt | vector-db+3 | MCP+2 | — | api-key, Memory | 4/5 | | |
 Purchasing API that places, tracks, and returns orders at Amazon, Walmart, Target, and Best Buy on behalf of agents OpenAPI | purchasing+3 | OpenAPI | — | api-key, Merchants | 4/5 | | |
 API gateway that puts an x402 or key-based paywall in front of any endpoint agents call MCPOpenAPIllms.txt | api-gateway+4 | MCP+2 | x402 | api-key, Payments | 4/5 | | |
 Hosted agentic AI assistant: OpenAI-compatible API, BYOK 50+ providers, free ache/* + paid catalog. OpenAPIllms.txt | ai+3 | OpenAPI+1 | — | api-key, Models | 3/5 | | |
 Amex developer kit for agent-initiated card payments with cardholder-scoped authorization OpenAPI | ace+3 | OpenAPI | ACE | api-key, Payments | 3/5 | | |
 Enterprise content store with a remote MCP server for file search and retrieval MCPOpenAPI | storage+3 | MCP+1 | — | m2m-oauth, Memory | 3/5 | | |
 Accept stablecoin and crypto payments through a hosted checkout API OpenAPI | payments+3 | OpenAPI | — | api-key, Payments | 3/5 | | |
 Crypto analysis, guides and coin FAQs over a hosted MCP server and a free key-less JSON API MCPOpenAPIllms.txt | crypto+6 | MCP+2 | — | none, Search | 3/5 | | |
 Resold OpenAI-compatible model API. Prepaid tokens; whole-cent rounding up per successful request, US$0.01 minimum. OpenAPIllms.txt | llm+3 | OpenAPI+1 | — | api-key, Models | 3/5 | | |
 Marketplace of handmade and vintage goods, an early agentic-checkout partner and UCP collaborator OpenAPI | marketplace+3 | OpenAPI | ACP+1 | m2m-oauth, Merchants | 3/5 | | |
 Agentic checkout that makes any digital surface shoppable while the merchant stays merchant of record OpenAPI | checkout+3 | OpenAPI | ACP | api-key, Merchants | 3/5 | | |
 Text-to-image API with strong typography and in-image text rendering OpenAPIllms.txt | image+2 | OpenAPI+1 | — | api-key, Media | 3/5 | | |