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John Patrick Oldfield
John Patrick Oldfield

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What's the best open banking api and best open blockchain explorer api?

I need to post a credit note receipt from my fintech banking application to an open banking api that needs to record the credit to the live bank account table database that then allows sending to another bank with a closed api.

The same story applies for the blockchain Explorer api. I need an open cryptocurrency api that allows posting a credit note transaction from my fintech application and needs to show on the blockchain Explorer as a valid transaction.

Both examples required without drawing on a bank account first.

Needs to send to the bank/cryptocurrency exchange and then be withdrawable to a given bank/exchange.

I tried sending a transaction to a few banks however I am missing the external unsupported banks database api secret keys.

Then for the exchanges the cryptocurrency transaction ID and hash are not showing on the blockchain Explorer so there's a validation error requirement fix with the relevent exchange.

blockchain openapi cryptocurrency quantitative-finance banking fintech

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