# What the vendor SDKs throw, and what the gateway does with it vendor status exception transient? HTTP requests for one call openai 400 com.openai.errors.BadRequestException false 1 openai 401 com.openai.errors.UnauthorizedException false 1 openai 429 com.openai.errors.RateLimitException true 1 openai 503 com.openai.errors.InternalServerException true 1 anthropic 400 com.anthropic.errors.BadRequestException false 1 anthropic 529 com.anthropic.errors.InternalServerException true 1