Estuary
A custom IPFS/Filecoin node that makes it easy to pin IPFS content
... for you, but you can reach out to us if you're stuck. API keys are the standard way to authenticate a project with an API rather than a human user. It is also important you understand how to protect your API key/secrets from bad actors and abuse. If this concept is foreign to you, you might be better off just using https://estuary.tech and storing data through our website.