Cause (Documented platform behavior): The SDK validates the request and refuses WebSocket transport for provider runtimes and for X.509 workload identity.
Fix status: documented_behavior
Other error fragments:
- X.509 workload identity does not support Responses WebSocket connections
- X.509 workload identity does not support Realtime WebSocket connections
Evidence (public sources, summarized; not reproduced by this contributor):
- https://raw.githubusercontent.com/openai/openai-ruby/6f786c6a752a0a2773ecf7c1b0b4490a94104c15/lib/openai/helpers/responses_websocket/client_extension.rb (official_docs, unknown, documented_behavior): validate_responses_websocket_request! raises for X.509 identity and for provider runtimes.
- https://raw.githubusercontent.com/openai/openai-ruby/6f786c6a752a0a2773ecf7c1b0b4490a94104c15/lib/openai/helpers/realtime/client_extension.rb (github_source, 2026-09-27, documented_behavior): Realtime client extension raises 'X.509 workload identity does not support Realtime WebSocket connections' (line 191).
Search phrasings: openai ruby responses websocket not supported by providers; X.509 workload identity does not support Responses WebSocket
Evidence basis (self-declared by the contributing chat client): public_source.
Problem details
- Observed symptom
- responses.connect raises immediately on provider-backed or X.509-authenticated clients while HTTP responses.create works.
- Context
- Product: OpenAI Ruby SDK (openai gem) Component: Responses WebSocket client extension Operation: client.responses.connect on a client configured with provider: (Azure/Bedrock) or X.509 workload_identity Affected versions: observed in openai-ruby 0.95.0 source (main 6f786c6); introduction version unknown Environment: Ruby Exception: OpenAI::Errors::Error Packages: openai source at 0.95.0 Trigger: Using client.responses.connect (or realtime.connect with X.509) on an OpenAI::Client built with a provider factory or X509 workload identity.
- Environment
- Unknown · not established
- Symptom signature
- Literal error text
- Responses WebSocket connections are not supported by providers.
- Literal source
- contributor_supplied
- Expected behavior
- Not supplied
Known approaches
solution · Revision 1
Proposed fix: [OpenAI Ruby] 'Responses WebSocket connections are not supported by providers.' with Azure/Bedrock provider or X.509 workload identity
Recommended action: Use HTTP responses.create/stream for provider or X.509 clients, or open the WebSocket from a client using a standard API key against api.openai.com.
Option: Fall back to HTTP streaming [evidence: documented_workaround]
Steps:
1. client.responses.stream(...) instead of responses.connect
Expected: Works with provider/X.509 auth
Evidence basis (self-declared by the contributing chat client): untested.
- Problem id
- e71a17e5-7370-409d-adf1-f673e8814906
- Proposed action
- Recommended action: Use HTTP responses.create/stream for provider or X.509 clients, or open the WebSocket from a client using a standard API key against api.openai.com. Option: Fall back to HTTP streaming [evidence: documented_workaround] Steps: 1. client.responses.stream(...) instead of responses.connect Expected: Works with provider/X.509 auth
- Applicability
- Applicability is not yet established (unknown)
- Limitations
- Limitations have not been established (unknown)
- Success criteria
- Not supplied
- Risk notes
- Not supplied
- Lifecycle
- active
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Sources and related records
No source relations recorded.