API Error Reference

{
  "error": {
    "message": "The \"model\" field is required. Example: \"deepseek-ai/DeepSeek-V4-Pro\"",
    "type": "devup_error",
    "code": "missing_model"
  }
}

{
  "error": {
    "message": "Prompt cache retention with ttl \"1h\" is not available for this model.",
    "type": "devup_error",
    "code": "cache_retention_unsupported"
  }
}

{
  "error": {
    "message": "This model is served on /v1/responses and does not support Chat Completions. Send the same request to /v1/responses.",
    "type": "devup_error",
    "code": "use_responses_api"
  }
}

{
  "error": {
    "message": "This model is served on /v1/images/generations, not on /v1/chat/completions. Send the request to /v1/images/generations.",
    "type": "devup_error",
    "code": "wrong_endpoint"
  }
}

{
  "error": {
    "message": "This model does not accept audio input.",
    "type": "devup_error",
    "code": "unsupported_content"
  }
}

{
  "error": {
    "message": "A parameter in the request is not supported by this model: seed.",
    "type": "devup_error",
    "code": "unsupported_parameter"
  }
}

{
  "error": {
    "message": "The request is longer than this model's context window.",
    "type": "devup_error",
    "code": "context_length_exceeded"
  }
}

{
  "error": {
    "message": "The request does not match the format this model expects. Check messages[0].content.",
    "type": "devup_error",
    "code": "invalid_request_format"
  }
}

{
  "error": {
    "message": "This model does not support tool calling. Remove tools and tool_choice from the request.",
    "type": "devup_error",
    "code": "tools_not_supported"
  }
}

{
  "error": {
    "message": "A message in the request has empty content, which this model does not accept. Give every message non-empty content.",
    "type": "devup_error",
    "code": "empty_message_content"
  }
}

{
  "error": {
    "message": "This model needs the conversation to end with a user message.",
    "type": "devup_error",
    "code": "conversation_must_end_with_user"
  }
}

{
  "error": {
    "message": "This model does not support a feature used in the request. Check the model page for what it supports.",
    "type": "devup_error",
    "code": "feature_not_supported"
  }
}

{
  "error": {
    "message": "This model's reply does not match the requested json_schema. The request was not billed. Retry it, or simplify the schema.",
    "type": "devup_error",
    "code": "structured_output_mismatch"
  }
}

{
  "error": {
    "message": "This model does not support the requested response_format. Remove response_format, or check the model page for the formats it supports.",
    "type": "devup_error",
    "code": "response_format_not_supported"
  }
}

{
  "error": {
    "message": "The model rejected the request. Check the messages and parameters against the API reference.",
    "type": "devup_error",
    "code": "invalid_request_error"
  }
}

{
  "error": {
    "message": "This request cannot be bounded before execution under a Scoped JWT spending limit. Use a supported bounded model or an account API key.",
    "type": "devup_error",
    "code": "scoped_budget_unbounded_request"
  }
}

{
  "error": {
    "message": "The API key provided is invalid or has been deactivated.",
    "type": "devup_error",
    "code": "invalid_api_key"
  }
}

{
  "error": {
    "message": "Provide your API key as: Authorization: Bearer sk-devup-...",
    "type": "devup_error",
    "code": "missing_api_key"
  }
}

{
  "error": {
    "message": "This scoped token expired at 2026-08-14T10:00:00.000Z.",
    "type": "devup_error",
    "code": "token_expired"
  }
}

{
  "error": {
    "message": "This scoped token has been revoked.",
    "type": "devup_error",
    "code": "token_revoked"
  }
}

{
  "error": {
    "message": "Your balance is insufficient for this request. Top up at https://devupai.com/dashboard/billing.",
    "type": "devup_error",
    "code": "insufficient_balance"
  }
}

{
  "error": {
    "message": "Budget exhausted: 50.00 / 50.00 DZD spent.",
    "type": "devup_error",
    "code": "budget_exhausted"
  }
}

{
  "error": {
    "message": "Account suspended. Contact support.",
    "type": "devup_error",
    "code": "account_suspended"
  }
}

{
  "error": {
    "message": "This scoped token does not grant access to model \"deepseek-ai/DeepSeek-V4-Pro\". Allowed: meta-llama/Llama-3.3-70B-Instruct",
    "type": "devup_error",
    "code": "model_not_allowed"
  }
}

{
  "error": {
    "message": "The requested model was not found.",
    "type": "devup_error",
    "code": "model_not_found"
  }
}

{
  "error": {
    "message": "The outcome of this request must be confirmed before it can be repeated. Contact support with the request ID.",
    "type": "devup_error",
    "code": "request_outcome_pending"
  }
}

{
  "error": {
    "message": "Rate limit exceeded. Please slow down your requests and try again shortly.",
    "type": "devup_error",
    "code": "rate_limit_exceeded"
  }
}

{
  "error": {
    "message": "This model is currently at capacity. Retry in a few seconds.",
    "type": "devup_error",
    "code": "model_at_capacity"
  }
}

{
  "error": {
    "message": "Too many concurrent requests for this account. Wait for in-flight requests to finish, then retry.",
    "type": "devup_error",
    "code": "concurrency_limit_exceeded"
  }
}

{
  "error": {
    "message": "Token-per-minute limit reached for this account. Retry after the indicated delay.",
    "type": "devup_error",
    "code": "tpm_limit_exceeded"
  }
}

{
  "error": {
    "message": "Flex capacity is currently unavailable. Retry later, or send the request without service_tier to use the standard tier.",
    "type": "devup_error",
    "code": "flex_capacity_unavailable"
  }
}

{
  "error": {
    "message": "The model could not complete this request. Retry it; retrying usually succeeds.",
    "type": "devup_error",
    "code": "server_error"
  }
}

{
  "error": {
    "message": "The model returned an empty response. The request was not billed. Retrying usually succeeds.",
    "type": "devup_error",
    "code": "DEVUP_COMPUTE_ERROR"
  }
}

{
  "error": {
    "message": "Requests are paused for a few seconds. Retry after the delay in the Retry-After header.",
    "type": "devup_error",
    "code": "service_unavailable"
  }
}

{
  "error": {
    "message": "The requested model is temporarily unavailable. Retry shortly.",
    "type": "devup_error",
    "code": "model_unavailable"
  }
}

HTTP/2 200
content-type: text/event-stream
x-request-id: req_3f9a1c07b2e64d58a0c9e1f4b7d2a6c3
x-devup-warnings: parameter_not_supported,continue_turn_added