503 Service Temporarily Unavailable in Langgraph Platform

OSS Product Help LangGraph
,
1

Last week a lot of 503 Service Temporarily Unavailable errors happening in my deployment.
DeploymentID: a5c5188e-8156-4ad7-a6fa-ef8cafde1811

I can only think a retry solution but we are building a commercial product and we need reliability in our deployments

Here are my logs

503 Service Temporarily Unavailable

2025-08-21 18:32:48,704 - DEBUG - httpcore.connection - start_tls.complete return_value= 2025-08-21 18:32:48,812 - INFO - httpx - HTTP Request: POST https://ht-glossy-stump-23-3631d25a4b6e5b09addaa222474d62b3.us.langgraph.app/threads "HTTP/1.1 503 Service Temporarily Unavailable" 2025-08-21 18:32:48,704 - DEBUG - httpcore.http11 - send_request_headers.started request= 2025-08-21 18:32:48,705 - DEBUG - httpcore.http11 - send_request_headers.complete 503 Service Temporarily Unavailable 2025-08-21 18:32:48,705 - DEBUG - httpcore.http11 - send_request_body.complete 2025-08-21 18:32:48,813 - DEBUG - httpcore.http11 - response_closed.started 2025-08-21 18:32:48,589 - DEBUG - httpcore.connection - connect_tcp.complete return_value= 2025-08-21 18:32:48,589 - DEBUG - httpcore.connection - start_tls.started ssl_context= server_hostname='ht-glossy-stump-23-3631d25a4b6e5b09addaa222474d62b3.us.langgraph.app' timeout=5.0 2025-08-21 18:32:48,813 - DEBUG - httpcore.http11 - receive_response_body.started request= 2025-08-21 18:32:48,705 - DEBUG - httpcore.http11 - send_request_body.started request= 2025-08-21 18:32:48,814 - DEBUG - httpcore.connection - close.complete
nginx 2025-08-21 18:32:48,814 - DEBUG - httpcore.connection - close.started 2025-08-21 18:32:48,812 - DEBUG - httpcore.http11 - receive_response_headers.complete return_value=(b'HTTP/1.1', 503, b'Service Temporarily Unavailable', [(b'Date', b'Thu, 21 Aug 2025 18:32:48 GMT'), (b'Content-Type', b'text/html'), (b'Content-Length', b'190'), (b'Connection', b'keep-alive'), (b'Strict-Transport-Security', b'max-age=31536000; includeSubDomains')]) 2025-08-21 18:32:48,813 - DEBUG - httpcore.http11 - response_closed.complete 2025-08-21 18:32:48,814 - ERROR - services.langgraph_service - Failed to create/get thread '8920a212-c994-4302-92d0-e54f4a5d2759' in LangGraph: 503 - 2025-08-21 18:32:48,705 - DEBUG - httpcore.http11 - receive_response_headers.started request= 2025-08-21 18:32:48,813 - DEBUG - httpcore.http11 - receive_response_body.complete

Any advice would be appreciated
Thanks in Advance!