Transport

• Module path: alpaca_data::transport
• Client type: internal-only module
• docs.rs module: https://docs.rs/alpaca-data/latest/alpaca_data/transport/
• Site rustdoc module: https://wmzhai.github.io/alpaca-data-rs/api/alpaca_data/transport/
• Scope: Internal architecture support only

Shared HTTP transport, endpoint routing, pagination, retry, and rate-limit infrastructure.

Shared Types

Endpoint

• Kind: enum
• Summary: -
• docs.rs: Endpoint
• Site rustdoc: Endpoint

Variant	Official Value
NewsList	news.list
OptionsBars	options.bars
OptionsTrades	options.trades
OptionsLatestQuotes	options.latest_quotes
OptionsLatestTrades	options.latest_trades
OptionsSnapshots	options.snapshots
OptionsExchangeCodes	options.exchange_codes
StocksBars	stocks.bars
StocksAuctions	stocks.auctions
StocksQuotes	stocks.quotes
StocksTrades	stocks.trades
StocksLatestBars	stocks.latest_bars
StocksLatestQuotes	stocks.latest_quotes
StocksLatestTrades	stocks.latest_trades
StocksSnapshots	stocks.snapshots
StocksExchangeCodes	stocks.exchange_codes
CorporateActionsList	corporate_actions.list

HttpClient

• Kind: struct
• Summary: -
• docs.rs: HttpClient
• Site rustdoc: HttpClient

ObservedResponseMeta

• Kind: struct
• Summary: Read-only metadata emitted to [TransportObserver] implementations.
• docs.rs: ObservedResponseMeta
• Site rustdoc: ObservedResponseMeta

Field	Official Word	Type	Notes
endpoint_name	endpoint_name	&'static str	Stable endpoint name such as stocks.latest_bars.
url	url	String	Fully resolved request URL.
status	status	u16	Final HTTP status code.
request_id	request_id	Option<String>	Alpaca request identifier when the server returned one.
attempt_count	attempt_count	u32	Number of retry attempts that happened before this terminal response.
elapsed	elapsed	Duration	Total elapsed request time across retries.

ObserverHandle

• Kind: struct
• Summary: -
• docs.rs: ObserverHandle
• Site rustdoc: ObserverHandle

RateLimiter

• Kind: struct
• Summary: -
• docs.rs: RateLimiter
• Site rustdoc: RateLimiter

ResponseMeta

• Kind: struct
• Summary: -
• docs.rs: ResponseMeta
• Site rustdoc: ResponseMeta

RetryConfig

• Kind: struct
• Summary: -
• docs.rs: RetryConfig
• Site rustdoc: RetryConfig

RetryDecision

• Kind: enum
• Summary: -
• docs.rs: RetryDecision
• Site rustdoc: RetryDecision

Variant	Official Value
DoNotRetry	DoNotRetry

Related Repository Artifacts

• Examples: -
• Tests: tests/mock_transport_errors.rs
• Benchmarks: benches/shared_core.rs

Coverage Notes

• The strict endpoint parity ledger for this module lives in API Coverage.
• Generated reference pages mirror the shipped Rust surface and do not claim unimplemented Alpaca endpoints as available.