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Adam Perry @ OpenAI 6ba4bf9e64 Honor server retry advice across Responses retries and fallback (#49441 )

## Why

Responses overload and exhausted-request errors could terminate despite server retry advice, and WebSocket-to-HTTP fallback could issue a request before the advised deadline.

## What changed

- Allow `ServerOverloaded` and `RetryLimit` errors to retry when server advice is present, within the configured retry budgets.
- Preserve `Retry-After` headers from rejected WebSocket upgrades and wait for the server deadline before falling back to HTTP.
- Keep quota, usage-limit, and policy failures terminal even when they include retry advice.

## Testing

Add coverage for HTTP overload and rate-limit recovery, WebSocket upgrade rejection and fallback timing, retry deadline preservation through error mapping, and retry limits for sampling and manual and automatic compaction.

GitOrigin-RevId: 72d30a9f078652664754dfa971fd7dc7a78f20e8

2026-09-30 02:12:42 +00:00

src

Honor server retry advice across Responses retries and fallback (#49441 )

2026-09-30 02:12:42 +00:00

tests

Enforce network policy throughout HTTP and WebSocket requests (#47389 )

2026-09-22 23:37:39 +00:00

BUILD.bazel

feat: add support for building with Bazel (#8875 )

2026-01-09 11:09:43 -08:00

Cargo.toml

Honor Retry-After and preserve server retry deadlines (#47641 )

2026-09-23 19:53:11 +00:00

README.md

Remove the unused legacy remote compaction implementation (#44273 )

2026-09-09 18:40:53 +00:00

README.md

codex-api

Typed clients for Codex/OpenAI APIs built on top of the generic transport in codex-client.

Hosts the request/response models and request builders for Responses and related Codex APIs.
Owns provider configuration (base URLs, headers, query params), auth header injection, retry tuning, and stream idle settings.
Parses SSE streams into ResponseEvent/ResponseStream, including rate-limit snapshots and API-specific error mapping.
Serves as the wire-level layer consumed by codex-core; higher layers handle auth refresh and business logic.

Core interface

The public interface of this crate is intentionally small and uniform:

Responses endpoint
- Input:
  - ResponsesApiRequest for the request body (model, instructions, input, tools, parallel_tool_calls, reasoning/text controls).
  - ResponsesOptions for transport/header concerns (conversation_id, session_source, extra_headers, compression, turn_state).
- Output: a ResponseStream of ResponseEvent (both re-exported from common).
Memory summarize endpoint
- Input: MemorySummarizeInput (re-exported as codex_api::MemorySummarizeInput):
  - model: String.
  - raw_memories: Vec<RawMemory> (serialized as traces for wire compatibility).
    - RawMemory includes id, metadata.source_path, and normalized items.
  - reasoning: Option<Reasoning>.
- Output: Vec<MemorySummarizeOutput>.
- MemoriesClient::summarize_input(&MemorySummarizeInput, extra_headers) wraps JSON encoding and retry/telemetry wiring.

All HTTP details (URLs, headers, retry/backoff policies, SSE framing) are encapsulated in codex-api and codex-client. Callers construct prompts/inputs using protocol types and work with typed streams of ResponseEvent or other endpoint-specific response values.