Créez une clé, appelez l'API avec l'authentification Bearer, et interrogez le statut de la tâche jusqu'à ce que votre résultat soit prêt. Fonctionne avec Claude Code, Codex, et tout client HTTP.
Générez une clé API dans votre tableau de bord. Elle n'est affichée qu'une seule fois, alors conservez-la dans un endroit sûr.
Envoyez une requête POST avec votre clé Bearer et un en-tête Idempotency-Key.
curl -X POST https://www.seedance2ai.io/api/v1/video/seedance2 \
-H "Authorization: Bearer $SEEDANCE_API_KEY" \
-H "Content-Type: application/json" \
-H "Idempotency-Key: demo-video-001" \
-d '{
"mode": "text-to-video",
"quality_tier": "standard",
"prompt": "A cinematic shot of a glass train crossing a snowy mountain bridge",
"aspect_ratio": "16:9",
"duration": "5",
"resolution": "720p"
}'Interrogez l'endpoint de statut de la tâche jusqu'à ce que le statut soit « terminé » ou « échoué », puis lisez la sortie.
while true; do
TASK=$(curl -s https://www.seedance2ai.io/api/v1/tasks/sd2_xxxxx \
-H "Authorization: Bearer $SEEDANCE_API_KEY")
STATUS=$(echo "$TASK" | jq -r '.status')
if [ "$STATUS" = "completed" ] || [ "$STATUS" = "failed" ]; then
echo "$TASK" | jq
break
fi
sleep 10
doneChaque requête est authentifiée à l'aide d'une clé API Bearer dans l'en-tête Authorization.
https://www.seedance2ai.io/api/v1Authorization: Bearer sk_live_your_api_key
Content-Type: application/json
Idempotency-Key: a-unique-id-per-requestTexte, image ou média en vidéo.
/api/v1/video/seedance2modestringOptionnelPar défaut text-to-videoGeneration mode.
text-to-videoimage-to-videomedia-to-videoquality_tierstringOptionnelPar défaut standardQuality tier.
ministandardprochannelstringOptionnelPar défaut standardRendering channel.
standardrealwildpromptstringRequisText prompt.
3–10000 charsaspect_ratiostringOptionnelPar défaut 16:9Aspect ratio.
1:121:94:33:416:99:16adaptivedurationstringOptionnelPar défaut 5Clip duration.
4–15 (seconds)resolutionstringOptionnelPar défaut 720pOutput resolution. 1080p-plus and 4k are available on pro only.
720p1080p1080p-plus4kimage_urlstring (URL)OptionnelStart frame — required for image-to-video.
public https URL, ≤ 30 MBend_image_urlstring (URL)OptionnelOptional end frame.
public https URL, ≤ 30 MBmedia_urlsstring[] (URL)OptionnelRequired for media-to-video. Images are limited to 30 MB; video URLs must support duration probing.
≤ 12 public https image/video URLsgenerate_audiobooleanOptionnelPar défaut trueGenerate an audio track.
truefalsefixed_lensbooleanOptionnelPar défaut falseLock the camera lens.
truefalseseedintegerOptionnelOptional deterministic seed.
-1 – 4294967295Seedance prompts work best as concrete director instructions. Describe the subject, action, scene, camera motion, visual style, and constraints, then map every reference asset to the right API parameter.
curl -X POST https://www.seedance2ai.io/api/v1/video/seedance2 \
-H "Authorization: Bearer $SEEDANCE_API_KEY" \
-H "Content-Type: application/json" \
-H "Idempotency-Key: demo-video-001" \
-d '{
"mode": "text-to-video",
"quality_tier": "standard",
"prompt": "A cinematic shot of a glass train crossing a snowy mountain bridge",
"aspect_ratio": "16:9",
"duration": "5",
"resolution": "720p"
}'{
"id": "sd2_xxxxx",
"status": "processing",
"model": "seedance2",
"quality_tier": "standard",
"channel": "standard",
"credits_used": 30
}Les valeurs credits_used affichées dans ces exemples sont fournies à titre indicatif. La consommation réelle est calculée lors de l’envoi et renvoyée par l’API.
/api/v1/tasks/{id}processingcompletedfailedPoll every 10 seconds or so and stop at completed or failed. Status reads have their own rate limit, so polling never uses up your submit budget.
curl https://www.seedance2ai.io/api/v1/tasks/sd2_xxxxx \
-H "Authorization: Bearer $SEEDANCE_API_KEY"{
"id": "sd2_xxxxx",
"type": "video",
"status": "completed",
"model": "seedance2",
"quality_tier": "standard",
"channel": "standard",
"resolution": "720p",
"credits_used": 30,
"credits_refunded": 0,
"output": {
"video_url": "https://...",
"last_frame_url": "https://...",
"seed": 123
},
"result_urls": ["https://..."],
"error": null,
"created_at": "2026-06-03T10:00:00.000Z",
"updated_at": "2026-06-03T10:03:12.000Z"
}while true; do
TASK=$(curl -s https://www.seedance2ai.io/api/v1/tasks/sd2_xxxxx \
-H "Authorization: Bearer $SEEDANCE_API_KEY")
STATUS=$(echo "$TASK" | jq -r '.status')
if [ "$STATUS" = "completed" ] || [ "$STATUS" = "failed" ]; then
echo "$TASK" | jq
break
fi
sleep 10
doneRead endpoints for building a task history, showing remaining credits, or discovering models at runtime. They share the read rate limit.
/api/v1/tasksReturns the tasks this account created through the API in the last 30 days, newest first. Each item has the same shape as a single task. Use limit (1 to 50, default 20) and pass next_cursor as before to fetch the next page.
curl "https://www.seedance2ai.io/api/v1/tasks?limit=20" \
-H "Authorization: Bearer $SEEDANCE_API_KEY"{
"data": [
{
"id": "sd2_xxxxx",
"type": "video",
"status": "completed",
"model": "seedance2",
"credits_used": 30,
"result_urls": ["https://..."]
}
],
"has_more": false,
"next_cursor": null
}/api/v1/balanceReturns the credits the key owner can spend through the API. subscription_credits is the part that came from a plan and expires at subscription_credits_expire_at.
curl "https://www.seedance2ai.io/api/v1/balance" \
-H "Authorization: Bearer $SEEDANCE_API_KEY"{
"credits": 1200,
"subscription_credits": 1000,
"subscription_credits_expire_at": "2026-07-01T00:00:00.000Z"
}/api/v1/modelsReturns every model the API serves with its endpoint, accepted modes and task ID prefix. Useful for building a model picker without hard-coding this page.
curl "https://www.seedance2ai.io/api/v1/models" \
-H "Authorization: Bearer $SEEDANCE_API_KEY"{
"data": [
{
"id": "seedance2",
"name": "Seedance 2.0",
"type": "video",
"method": "POST",
"endpoint": "/api/v1/video/seedance2",
"modes": ["text-to-video", "image-to-video", "media-to-video"],
"task_id_prefix": "sd2_"
}
]
}Every error has the same shape. Branch on code, and show message to a person. A task that was accepted can still fail later, so also check status when you poll.
{
"error": {
"code": "invalid_request",
"message": "Invalid request body: prompt: String must contain at least 3 character(s)"
}
}| Code | HTTP | Signification |
|---|---|---|
unauthorized | 401 | Missing, invalid, or revoked API key. |
invalid_request | 400 | Bad input or unsupported field. The message names the first field that failed; details lists them all. |
purchase_required | 403 | Seedance 2.5 requires a successful credits or plan purchase; free promotional credits alone do not unlock it. The GPT Image 2.5 economy channel has the same requirement. |
insufficient_credits | 402 | Not enough credits. Seedance 2.5 always returns HTTP 402 with insufficient_credits; when an authoritative quote is available, it may also include required_credits, available_credits, pricing_version, and promotion_applied. |
rate_limited | 429 | Too many requests for this account. See Rate limits below. Seedance requests that validate reference media are limited to 3 per 60 seconds per account and source IP, with a project-wide safety cap. Retry after the Retry-After response header (in seconds). |
idempotency_conflict | 409 | Same Idempotency-Key reused with a different body, or still running. |
service_busy | 503 | Temporary upstream or credit-concurrency issue. Retry. |
not_found | 404 | Task does not exist or does not belong to this key owner. |
internal_error | 500 | Unexpected server-side failure. |
A request over the limit returns HTTP 429 with a Retry-After header in seconds, plus X-RateLimit-Limit and X-RateLimit-Reset. Wait that long, then retry with the same Idempotency-Key.
Utilisez Copy for AI pour exporter l'API complète en Markdown propre, collez-le dans Claude Code ou Codex, et laissez l'agent se charger de l'intégration. Ou pointez l'agent directement vers le endpoint de texte brut.
Installez la compétence Seedance dans Claude Code, Codex ou tout autre agent — elle rédige des prompts cinématographiques et les génère via l'API pour vous.
# Download the one-file skill from Seedance 2.0 AI
mkdir -p ~/.claude/skills/seedance
curl --fail --location -H "Authorization: Bearer $SEEDANCE_API_KEY" https://www.seedance2ai.io/downloads/seedance-skill.md -o ~/.claude/skills/seedance/SKILL.md.tmp &&
mv ~/.claude/skills/seedance/SKILL.md.tmp ~/.claude/skills/seedance/SKILL.md