Hello,
Great blog, but I believe there is typo somewhere as I get this error all the time and I don't really see where you are sending the address as a parameter (I already filled my NFTPort API key and the address
index.js:9
GET /v0/accounts/address?chain=ethereum 422 index.js:11 {response: 'NOK', error: {…}} error : {status_code: 422, code: 'invalid_address', message: 'Invalid address: account_address.'} response : "NOK" [[Prototype]] : Object