General

Customer account

• Managing Account Contacts
• How I can update my credit card / billing information?
• How can I get an invoice or receipt?
• I'd like to make an account but getting this error: "invalid external account"
• How do I get an additional API key?

API

• Why are there no Exchange Rates data for some assets for a given period?
• I received a reconnect message from Websocket
• How can I get the USD price for multiple assets at the same time?
• What are the time periods I can use for Exchange Rates and OHLCV?
• How can I see a list of symbols related to a specific exchange, market, or asset?
• How can I get OHLCV data by asset pair?

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Security & Privacy

• What CDN does the API use?
• What should I do if my API key was compromised?
• What information do I need to provide in order to subscribe?
• What security mechanisms does CoinAPI use to protect my data?

Billing & Subscriptions

• Can I still use my API key if I cancel my subscription?
• Can I cancel my subscription anytime?
• How to subscribe to the API?
• How to reactivate my canceled subscription?
• How to cancel my subscription?
• How to upgrade/downgrade my subscription?

FAQ

• I hardly use the REST API, why is my usage so high?
• Can I use WebSocket under a Free plan?
• Do you provide a Sandbox Environment for testing?
• Why am I receiving "message": "Forbidden - Your API key don't have privileges to data type"?
• Can I use the API commercially to show prices on my website?
• How to handle payment errors during sign up

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Announcements

• Subscription related API calls now available