Option A — Shared sandbox key (instant, no sign-up)
Use the pre-populated shared sandbox API key to get a token immediately:Response
access_token as Authorization: Bearer <token> on every request. Tokens expire in 60 minutes — call /auth/token again with the same key to refresh. The API key itself never expires.
Option B — Your own sandbox account
For isolated sandbox data with your own wallets and transactions:- Sign up at sandbox-crypto.yativo.com — sign-up is passwordless, you’ll receive a one-time code by email
- Go to Settings → API Keys and create a sandbox API key
- Use your key with the token endpoint:
Using the token
Pass the token on every sandbox request:Refreshing a token
Simply call/auth/token again with the same API key credentials — there is no separate refresh endpoint:

