How to handle payment errors during sign up?

When signing up for a CoinAPI subscription, you may encounter payment errors returned by our payment processor, Stripe. Common examples include:

• balance_insufficient – Not enough funds on the card or account
• card_decline_rate_limit_exceeded – Too many decline attempts
• email_invalid – The email format is incorrect or unsupported by Stripe

How to resolve:

1. Refer to Stripe’s official error documentation for guidance:

   • Error codes: https://stripe.com/docs/error-codes#email-invalid
   • Decline reasons: https://stripe.com/docs/declines/codes

2. If the error persists or you're unable to resolve it, please contact the CoinAPI support team here:

   https://support.coinapi.io/hc/en-us/requests/new

We’ll help you investigate and complete your sign-up.

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