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Integrations
2 posts on this topic.
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Syncing invoices to QuickBooks when the other side keeps changing under you
Third-party accounting APIs don't fail cleanly. Customers get deleted in QuickBooks behind your back, tokens expire mid-request, and retries duplicate records. Here's how one Rails integration stayed idempotent and learned to heal itself.
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Wiring up an open-banking feed in Rails without leaking or getting locked in
Bank aggregators are slow, asynchronous, and full of PII you must never log. Here's how I integrated one: a swappable provider, encrypted credentials, a recursively-redacting request logger, and a poll-until-done connection job.