bytedance/
文生图更多设置（3 项）
生成结果演示示例登录后试用
按用量计费 · 约 $0.14 / 张 · 每次冻结 $0.135
价格
按实际用量计费，没有固定单价。
默认设置下通常约 $0.14 / 张。
每次请求会先临时冻结 $0.135，按实际用量扣费，通常在一分钟内完成：多余部分退回，超出部分从余额扣除，余额可能因此变为负数；余额为负时新请求暂停，充值后先抵扣欠款。
生成失败不收费。
API 接入
用这个模型 ID 提交生成请求。
POST
/v1/model-tasksbytedance/seedream-5-pro/text-to-image请求体
{
"model": "bytedance/seedream-5-pro/text-to-image",
"input": {
"prompt": "Create an original vertical poster for an imaginary urban dance and light festival. Deep midnight-blue rainy city, one adult dancer in a flowing tangerine-orange coat, dramatic rim lighting, wet pavement reflections, crisp photographic detail. Combine the cinematic image with an editorial graphic grid and generous readable margins. At the top render the exact large white title \"MIDNIGHT MOTION\" on two lines. Directly below render the exact Chinese title \"夜行节\" in bold clean lettering. At the bottom create three evenly aligned program columns, each with a small orange heading and white details: \"FRI\" above \"18:00 / LIGHT\"; \"SAT\" above \"20:00 / DANCE\"; \"SUN\" above \"19:30 / SOUND\". Keep all supplied words spelled exactly, clear hierarchy and strong contrast, coherent premium festival identity. No additional text, brands, signatures or watermarks.",
"enhance_prompt_mode": "standard",
"image_size": "auto_2K",
"num_images": 1,
"output_format": "jpeg"
}
}输入 Schema
| 参数 | 类型 | 是否必填 | 默认值 |
|---|---|---|---|
| prompt | string | 必填 | — |
| enhance_prompt_mode | string | 可选 | standard |
| image_size | object | string | 可选 | auto_2K |
| num_images | integer | 可选 | 1 |
| output_format | string | 可选 | jpeg |
返回结果
接口会返回生成结果，或返回可轮询的异步任务；具体响应方式与结果字段见下方示例和 Schema。
异步任务
调用示例
异步任务提交后返回任务 ID，轮询至 status 为 completed 后，按返回结果获取生成内容。API Key 在控制台获取。
# Use a new directory for each new generation. Rerunning here continues this task.
set -eu
test -s model-task-id.txt || python3 -c "import uuid; print(uuid.uuid4())" > model-task-id.txt
REQUEST_ID=$(cat model-task-id.txt)
# Idempotent: resending the same bytes with the same ID never charges twice.
curl --fail-with-body --retry 3 --retry-connrefused --request POST 'https://api.musespan.com/v1/model-tasks' \
--header "Authorization: Bearer $MUSESPAN_API_KEY" \
--header "X-Request-Id: $REQUEST_ID" \
--header "Content-Type: application/json" \
--data '{"model":"bytedance/seedream-5-pro/text-to-image","input":{"prompt":"Create an original vertical poster for an imaginary urban dance and light festival. Deep midnight-blue rainy city, one adult dancer in a flowing tangerine-orange coat, dramatic rim lighting, wet pavement reflections, crisp photographic detail. Combine the cinematic image with an editorial graphic grid and generous readable margins. At the top render the exact large white title \"MIDNIGHT MOTION\" on two lines. Directly below render the exact Chinese title \"夜行节\" in bold clean lettering. At the bottom create three evenly aligned program columns, each with a small orange heading and white details: \"FRI\" above \"18:00 / LIGHT\"; \"SAT\" above \"20:00 / DANCE\"; \"SUN\" above \"19:30 / SOUND\". Keep all supplied words spelled exactly, clear hierarchy and strong contrast, coherent premium festival identity. No additional text, brands, signatures or watermarks.","enhance_prompt_mode":"standard","image_size":"auto_2K","num_images":1,"output_format":"jpeg"}}'
# Poll every 5 seconds for up to 25 minutes until status is completed or failed.
# Still queued (with queue_position) 5 minutes after submission: failed with queue_timeout, not charged.
# No result 15 minutes after acceptance (or no confirmation 15 minutes after submission): failed with generation_timeout, not charged.
# Any failure is final: generate again in a new directory (a new X-Request-Id).
# A 404 means the POST did not arrive: rerun this script to resend it with the same ID.
curl --fail-with-body 'https://api.musespan.com/v1/model-tasks/'"$REQUEST_ID"'' --header "Authorization: Bearer $MUSESPAN_API_KEY"