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BasicAuth:
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API and support for Basic Authentication.
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DigestAuthentication:
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API and support for Digest Authentication.
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NTLMAuthentication:
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API and support for NTLM Authentication.
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AwsSigV4Authentication:
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API and support for AWS SigV4 Authentication.
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Compression:
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Compression of request and response bodies.
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Cookies:
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Additional API for setting and interpreting cookies (using `http-cookie`).
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FollowRedirects:
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Ability to follow redirects.
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Retries:
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Ability to retry requests.
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Proxy:
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Proxy Support (HTTP, HTTPS, Socks 4/4a/5).
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PushPromise:
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Support for HTTP/2 Server Push.
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Upgrade:
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Support for migrating an HTTP/1.1 connection using the "Upgrade" header (h2c, h2...).
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Stream:
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API for reading response payloads in chunks (supports endless streams as well).
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Multipart Uploads:
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API and support for multipart uploads (using `http-form_data`).
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Persistent:
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Persist connections over the lifetime of a process.
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Stream:
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handles streaming responses (i.e. the Twitter Streaming API, or the `text/event-stream` mime type).
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Expect:
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Supports "100-continue" header in requests with a body.
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Rate Limiter:
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handle rate limiting responses from throttling server automatically.
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GRPC:
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API for building rich GRPC clients.
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Response Cache:
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HTTP caching to minimize bandwidth usage, leveraging etag and last-modified headers.
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Circuit Breaker:
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fail fast and recover after a while" when peer error rate increases.
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WebDAV:
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convenience methods to handle common webdav operations.
