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Municipal Finance API vs YNAB

Same instrument, two spec sheets — measured, not claimed.

APIMunicipal Finance APINEW—YNABNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthnoneapiKey
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree tier — API key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Municipal Finance API vs YNAB: common questions

Which is more reliable, Municipal Finance API or YNAB?

On our scheduled checks, YNAB leads on measured uptime — Municipal Finance API at —% versus YNAB at —% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.

Do Municipal Finance API and YNAB need an API key?

Municipal Finance API needs no key, while YNAB requires a free API key. If you want to start calling without signup, reach for Municipal Finance API first.

Can I call Municipal Finance API and YNAB from the browser?

Yes — both Municipal Finance API and YNAB send CORS headers over HTTPS, so front-end code can fetch either directly with no backend proxy. That makes them easy to swap in a client-side app while you compare responses.

Are Municipal Finance API and YNAB free for commercial use?

Municipal Finance API has unclear commercial terms, and YNAB has unclear commercial terms. We track service terms and the data license as separate fields — see the Commercial use and Data license rows above, and confirm both before shipping either in a paid product.