SP-API OAuth Starter

Current BASE_URL: https://spapi.sotatek.works

Register these two URIs in Developer Central:

• OAuth Login URI: https://spapi.sotatek.works/oauth/login
• OAuth Redirect URI: https://spapi.sotatek.works/oauth/callback
• SP_CLIENT_ID: amzn1.application-oa2-client.5d18ea5cef1a45938c9bd467a962abc1
• SP_CLIENT_SECRET: amzn1.oa2-cs.v1.d934...