# API Reference

- [Vault API](/vault/developer-tools/apis/vault-api.md)
- [Introduction](/vault/developer-tools/apis/vault-api/introduction.md)
- [Alias-Formats](/vault/developer-tools/apis/vault-api/alias-formats.md)
- [Authentication and Authorization](/vault/developer-tools/apis/vault-api/authentication-and-authorization.md)
- [Resource Limits](/vault/developer-tools/apis/vault-api/resource-limits.md)
- [Alias](/vault/developer-tools/apis/vault-api/alias.md)
- [Vault API v1](/vault/developer-tools/apis/vault-api-v1.md)
- [Authentication](/vault/developer-tools/apis/vault-api-v1/authentication.md)
- [Resource Limits](/vault/developer-tools/apis/vault-api-v1/resource-limits.md)
- [Aliases](/vault/developer-tools/apis/vault-api-v1/aliases.md)
- [Vault APIs and Region](/vault/developer-tools/apis/vault-apis-and-region.md)