Doubao Seedream 4.0 is a ByteDance model exposed on the Huzz API with a single Huzz key and one consistent, OpenAI-compatible interface. Capabilities: Image editing. Long-running jobs run asynchronously with polling. Call it at https://api.huzz.ai using Authorization: Bearer $HUZZ_API_KEY — no per-provider accounts or SDKs required.
FamilyCapabilitiesStreamingAsyncPricing
ByteDanceImage editingNoYesUsage-based

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Endpoints

MethodPathCapability
POST/api/v3/bytedance/doubao-seedream-4-0-250828/image-editImage editing

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Code samples

Authenticate with Authorization: Bearer $HUZZ_API_KEY — get a key at huzz.ai/register. 
# 1) Submit the job
curl https://api.huzz.ai/api/v3/bytedance/doubao-seedream-4-0-250828/image-edit \
  -H "Authorization: Bearer $HUZZ_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"input":{"image":"https://example.com/product-photo.png"}}'

# 2) Poll for the result
curl https://api.huzz.ai/api/v3/predictions/PREDICTION_ID/result \
  -H "Authorization: Bearer $HUZZ_API_KEY"
Long-running jobs return a prediction id. See Async predictions for the full submit-and-poll lifecycle.