Short answer: Verified users on seedance2video.io can create a live API key shaped like sd_live_... under Settings → API Keys. Call https://api.seedance2video.io/v1 with Bearer auth; API usage shares the same account credits as the web generator for Seedance 2.5 jobs about 4–30 seconds at 480p / 720p / 1080p.
Open the Seedance 2.5 generator for a web test, then follow the public API docs when you are ready to create a key.
Last checked: October 31, 2026 against the API overview, authentication, models-pricing, errors-idempotency, and pricing pages on seedance2video.io.
How do you create a Seedance 2.5 API key?
Sign in, open Settings → API Keys (also reachable via /settings/public-api), and create a live key. Public docs describe live access for verified users and keys that look like sd_live_.... Store the secret once; treat it like a password and rotate it if it leaks.
Full walkthrough and endpoint map: API documentation and authentication.
What base URL and auth header do you use?
Use base URL https://api.seedance2video.io/v1 (OpenAPI at /v1/openapi.json). Send Authorization: Bearer sd_live_... on each request. There is no separate API wallet in phase one — spend comes from the same credit balance as the PC/web product.
| Item | Public value |
|---|---|
| Access | Live access for verified users |
| Key shape | sd_live_... |
| Create path | Settings → API Keys |
| Base URL | https://api.seedance2video.io/v1 |
| Auth | Bearer token |
| Billing | Shared account credits with web |
Which model IDs and durations apply?
For Seedance 2.5, public models-pricing lists durations from about 4 to 30 seconds at 480p / 720p / 1080p. The model ID you can pass includes seedance-2.5. Other public IDs (including shorter-duration variants) appear on the same table — read the live list before you hard-code anything.
Compare credit implications on models and pricing. Web Mini–Pro cards run about $29.9–$199.9 monthly or roughly $14.9–$99.9 as yearly per-month equivalents on the pricing page; public pages do not invent a fixed credit grant per API key.
| Topic | Seedance 2.5 (public) |
|---|---|
| Duration | ~4–30 seconds |
| Resolution | 480p, 720p, 1080p |
| Example model ID | seedance-2.5 |
| Plans (web) | Mini–Pro; see pricing |
What errors and rate limits should you plan for?
Docs list codes such as invalid_api_key, api_key_expired, insufficient_credits, rate_limit_exceeded, and unsupported_model. On HTTP 429, back off and keep the same Idempotency-Key. See errors and idempotency and the quickstart for first-call patterns.
- Create the key only after you can sign in and open Settings.
- Confirm balance and an estimate before a long 1080p job.
- Keep Idempotency-Key stable across retries.
- Prefer short first API clips so you can judge quality and spend.
What are the common questions about the Seedance 2.5 API key?
Is API access live on seedance2video.io?
Yes. Public docs state live access so verified users can create a sd_live_... key under Settings → API Keys. Start from the API overview.
Does the API use the same credits as the website?
Yes. Phase-one docs say API spend shares the same credits and pricing as the web product — there is no separate API wallet.
What is the API base URL?
Use https://api.seedance2video.io/v1 with a Bearer sd_live_... token. OpenAPI is published at /v1/openapi.json.
What duration and resolution can Seedance 2.5 return via API?
Public models-pricing lists about 4–30 seconds at 480p, 720p, or 1080p for Seedance 2.5. Always re-check the live table before shipping a client.
Where should I start after creating a key?
Read authentication and quickstart, then run one short job. For product context on the web side, open the Seedance 2.5 generator.
Where should you go next?
Open Seedance 2.5, create your key from Settings, then follow API docs and models-pricing. Cross-check plan cards on pricing before you scale spend.
What sources support this guide?
- API overview: live access and key entry.
- Authentication: Bearer and Settings path.
- Models and pricing: model IDs and durations.
- Errors and idempotency: codes and 429 guidance.
- Quickstart: first-call pattern.
- Pricing: Mini–Pro web plans.
- Seedance 2.5 product page: generator entry.
