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Qwen Image 2.0 / Image Edit

qwen-image-2-0-image-edit

image to imageOutput: ImageInput: text + image
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Official list price · Not verified

Endpoint

All models share one asynchronous job API. This model is selected by its slug.

Submit
POST https://api.hermes-ai.net/api/v1/jobs

{
  "model": "qwen-image-2-0-image-edit",
  "input": {
    "imageUrls": [
      "https://example.com/input.png"
    ],
    "prompt": "A lighthouse on a rocky coast at sunrise, soft light"
  }
}

Then poll GET /api/v1/jobs/{id} until the status is terminal.

Authentication

Send an API key with the jobs:create scope to submit and jobs:read to poll.

HeaderValueNotes
AuthorizationBearer <API key>Or send the key in x-api-key.
Content-Typeapplication/json
Idempotency-Key<unique string ≤128>Required. Reuse it only to retry the identical request.

Request body

FieldTypeRequiredNotes
modelstringrequiredModel slug from the catalog.
inputobjectrequiredFields from the model's input schema.
expectedPriceMicrosintegeroptionalPrice you showed the user. A mismatch returns 409 PRICE_CHANGED before any charge.

input fields

Unknown fields are rejected with INVALID_MODEL_INPUT.

FieldTypeRequiredDefaultAllowed values and constraints
imageUrls
string[]required—

Input images (1-3). Supports single image editing and multi-image fusion. Images are numbered in array order, output aspect ratio follows the last image. Recommended resolution: 384-3072px, max 10MB.

≤ 3 items · HTTPS image URL or media:<uuid>

prompt
stringrequired—

Positive prompt describing desired image content, style and composition. Supports Chinese and English, max 800 characters. Only one text instruction is allowed.

≤ 800 chars

negativePrompt
stringoptional—

Negative prompt describing unwanted content. Supports Chinese and English, max 500 characters.

≤ 500 chars

size
stringoptional—

Output resolution (width*height). Total pixels must be between 512*512 and 2048*2048. Default: same as input image (last image for multi-image input).

One of: "1024*1024", "1536*1536", "768*1152", "1024*1536", "1152*768", "1536*1024", "960*1280", "1080*1440", "1280*960", "1440*1080", "720*1280", "1080*1920", "1280*720", "1920*1080", "1344*576", "2048*872"

imageNum
stringoptional"1"

Number of output images. Default: 1, max: 6.

One of: "1", "2", "3", "4", "5", "6"

Response

202 for a new task, 200 when an Idempotency-Key replay matches. GET /api/v1/jobs/{id} returns the same shape without replayed.

FieldTypeNotes
idstringHermes AI task ID. Use it to poll.
modelstringModel slug.
statusstringSee task statuses.
errorCodestring | nullSet when a task fails or needs review.
priceMicrosintegerQuote fixed at admission, USD micro-units.
currency"USD"
createdAt / updatedAtstringISO 8601 timestamps.
assets[]array{ id, type, url?, text? }. url is a same-origin /api/v1/results/<uuid> link.
replayedbooleanSubmit only. true when an idempotent retry matched.

Task statuses

StatusTerminalMeaning
queuednoAccepted and waiting for a worker.
submittingnoBeing sent to the model provider.
runningnoThe model is generating.
succeededyesFinished. Results are in assets.
failedyesFinished without a result. The hold is released.
reconciliation_requiredyesThe result is being verified. Keep the task ID and do not resubmit automatically.

Errors

Every error body is { code, error }. Handle by code.

HTTPCodeMeaning and action
401AUTH_REQUIREDMissing or invalid API key or session.
403INSUFFICIENT_SCOPEThe API key lacks the scope this endpoint needs.
403PERMISSION_DENIEDThis credential cannot perform the operation.
429API_KEY_RATE_LIMITEDThe API key's rate limit was reached. Honor Retry-After.
429API_KEY_USAGE_EXCEEDEDThe API key reached its usage limit. Create a new key.
400INVALID_REQUESTThe body is not a JSON object or a required value is missing.
400INVALID_IDEMPOTENCY_KEYIdempotency-Key must be 1–128 printable ASCII characters.
400INVALID_MODEL_INPUTinput does not match the model schema (unknown field, missing required field, or invalid value).
400 / 413INPUT_TOO_LARGEThe request body is larger than 256 KB. Upload media first and send a media reference.
404REQUEST_NOT_FOUNDNo chat request with this ID belongs to your account.
404MODEL_NOT_FOUNDNo model has this slug.
404JOB_NOT_FOUNDNo task with this ID belongs to your account.
409IDEMPOTENCY_CONFLICTThis Idempotency-Key was used with different input. Use a new key for a new request.
409PRICE_CHANGEDThe price differs from expectedPriceMicros. Fetch the price and confirm again.
409MODEL_PRICE_UNAVAILABLENo price is configured for this model yet, so it cannot run.
409PAYMENT_REVIEW_REQUIREDA refund left an uncovered balance. Contact support or cover the balance before submitting tasks.
409INSUFFICIENT_CREDITSAvailable credits do not cover the task price.
429RATE_LIMITEDToo many task submissions per minute. Retry later.
429CONCURRENCY_LIMITEDToo many unfinished tasks. Wait for one to finish.
503EXECUTION_UNAVAILABLEExecution is not configured for this model right now.
429UPSTREAM_RATE_LIMITEDThe model provider is rate limiting chat requests. Retry with backoff; nothing was charged.
502UPSTREAM_ERRORThe model provider failed the chat request. Nothing was charged; retry later.
503PLATFORM_BUDGET_EXCEEDEDThis model is temporarily unavailable. Try again later.
503EXECUTION_TEMPORARILY_UNAVAILABLEExecution is temporarily unavailable. Retry with the same Idempotency-Key.
503AUTH_UNAVAILABLEAuthentication is temporarily unavailable. Retry later.
503API_UNAVAILABLEThe API is temporarily unavailable. Retry later.

Full API guide · OpenAPI 3.1