# API 调用指南
[通用参数](https://open.feishu.cn/document/server-docs/api-call-guide/terminology)
[通用错误码](https://open.feishu.cn/document/server-docs/api-call-guide/generic-error-code)
## 调用流程
[流程概述](https://open.feishu.cn/document/server-docs/api-call-guide/calling-process/overview)
[获取访问凭证](https://open.feishu.cn/document/server-docs/api-call-guide/calling-process/get-access-token)
[申请 API 权限](https://open.feishu.cn/document/server-docs/application-scope/introduction)
[配置应用数据权限](https://open.feishu.cn/document/api-call-guide/calling-process/configure-app-data-permissions)