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title: API Reference sidebar_label: API Reference

Precise, per-item API documentation lives on docs.rs, generated from the source of every release. This site owns concepts, guides, and contracts; the rustdoc owns signatures.

Facade

• reqsign — feature-gated entry point with default_context() and per-provider default_signer modules.

Core

• reqsign-core — Context, Signer, Granter, and the ProvideCredential / SignRequest / GrantCredential / SigningCredential traits.

Service crates

• reqsign-aws-v4
• reqsign-aws-v4a
• reqsign-aws-core — shared AWS credential chain and canonicalization
• reqsign-azure-storage
• reqsign-google
• reqsign-aliyun-oss
• reqsign-huaweicloud-obs
• reqsign-oracle
• reqsign-tencent-cos
• reqsign-volcengine-tos

Context components

• reqsign-file-read-tokio
• reqsign-http-send-reqwest
• reqsign-command-execute-tokio