API
Application Programming Interface; a standardized communication method for interaction between software systems. It defines request formats, authentication mechanisms, and response structures, enabling external applications to invoke capabilities provided by a service provider.
Core Facts
Relay API services are typically compatible with the OpenAI API format and only require modifying the Base URL and API Key to connect.
ChatGPT Enterprise is a managed workspace configured and governed by the customer's administrators, with OpenAI providing the service, data processed within OpenAI's services, hosted on major cloud providers, and business content not used for training by default.
A managed Agent API means the platform is responsible for runtime management of agents, including session state maintenance, tool call orchestration, error retries, monitoring, logging, and other infrastructure work
Timeline (last 90 days)
Reverse engineering or unofficial API calls may violate the terms of service, and once the API changes, the project must adapt in time.
An API is a contract for interaction between software systems, allowing developers to access specific functions and data on a device or in the cloud.
Building a shared context service layer is a viable direction: centrally managing business rules, entity states, and knowledge graphs, and exposing them via API for each AI system to call.
LLM editor integration is typically implemented through API calls: the plugin sends buffer context, cursor position and user instructions to the model service, then writes back the returned completion or refactoring suggestions.
Users can have another general Agent help with model configuration: send it the API key, URL, model name and API documentation web address.
The HN discussion analogizes Pascal's fixed-route transit to an "API at the city level," because both lower the cost of collaboration among strangers through standardized interfaces.
When enterprise customers use both the API and first-party applications, switching costs rise significantly, and renewal rates and willingness to expand purchases also increase.
SolidWorks provides a COM interface and API that allow external programs to create sketches, add features, read mass properties, and export files, covering most of the actions of manual operation.
Anthropic enters developer workflows through APIs and agentic tools such as Claude Code, and its commercial revenue is highly dependent on subscriptions and call volumes from enterprise engineering teams.
Papermark Data Rooms offers three access methods: API, CLI, and MCP.
40 more timeline events
All Facts (20)
Relay API services are typically compatible with the OpenAI API format and only require modifying the Base URL and API Key to connect.
80%VerifiedChatGPT Enterprise is a managed workspace configured and governed by the customer's administrators, with OpenAI providing the service, data processed within OpenAI's services, hosted on major cloud providers, and business content not used for training by default.
75%VerifiedA managed Agent API means the platform is responsible for runtime management of agents, including session state maintenance, tool call orchestration, error retries, monitoring, logging, and other infrastructure work
75%VerifiedAdversarial distillation attackers systematically send large volumes of requests to the target model, collecting input-output pairs—especially responses containing complete reasoning chains—to train their own models and replicate the target model's capabilities.
75%VerifiedFor high-frequency usage scenarios, API pay-per-use billing tends to offer greater cost predictability than subscription-based pricing.
75%VerifiedMCP does not replace APIs; in many cases, the MCP server still uses APIs under the hood.
65%VerifiedIn low-code automation platforms such as n8n, each AI agent node typically corresponds to one independent large model API call.
65%VerifiedAn API defines the parameters, authentication methods, and response formats required for an application to communicate with a specific service.
65%VerifiedFor services not on n8n's built-in list, the HTTP Request node can be used to call any REST API directly.
65%VerifiedMainstream large model APIs charge separately for input tokens and output tokens, with input tokens typically including the entire conversation history (i.e., the context).
65%VerifiedAggregated routing platforms serve as an intermediate proxy layer that uniformly connects to the APIs of multiple large model providers, allowing developers to call models from different vendors using a single API key and Base URL.
65%VerifiedIn API calls, the system prompt is passed in as a distinct message role (role: system), carries higher instruction priority than ordinary user messages, and persists throughout the entire conversation.
65%VerifiedAPI stands for Application Programming Interface; it is essentially an entry point exposed by an application for operating on data, and can take the form of a function, a class, or a URL address.
65%VerifiedAI Agent开发中真正决定连条效率的不是多写提示词，而是先把接口标准立住再围绕标准跑通链路
65%VerifiedLarge language model API pricing is typically measured per million tokens, with output prices generally 4 to 6 times higher than input prices.
65%VerifiedToken-based billing is the mainstream pricing method for AI APIs, charging by the total number of input plus output tokens.
65%VerifiedThe cost of each large language model call is positively correlated with the number of input tokens, and in an Agent loop, as the conversation history accumulates, the cost of each call grows linearly.
65%UnverifiedAPI接口契约或schema文档中未明确写出取值范围、ID格式约束等信息时，AI会用默认逻辑做实现导致bug
80%UnverifiedMCP路由器的路由逻辑比传统API网关更复杂，需要理解AI模型的意图语义来智能匹配最合适的MCP服务端点
75%Unverified平台通过开放API接口追踪内容与交易行为之间的归因链路，系统自动记录并结算佣金
70%