Market not included
The data belongs to a market the key is not entitled to.
"type": "https://ohlc.io/problems/market-not-entitled"
Why it happens
- International listings, crypto or currency pairs or index levels requested on Free or Developer (they start on Pro).
- A key created with a restricted market scope.
How to fix it
- Upgrade on pricing, or create a key with the needed markets in the dashboard.