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Sabre for Developers vs Transport for Belgium

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

APISabre for DevelopersHEALTHY94Transport for BelgiumHEALTHY90
Uptime · 30d
Uptime · 90d100%94.1%
Uptime · 30d100%90.0%
P50 · ms449567
P95 · ms15311576
AuthapiKeynone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredFree — no key
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Sabre for Developers vs Transport for Belgium: common questions

Which is more reliable, Sabre for Developers or Transport for Belgium?

On our scheduled checks, Sabre for Developers leads on measured uptime — Sabre for Developers at 100% versus Transport for Belgium at 94.1% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.

Which is faster, Sabre for Developers or Transport for Belgium?

Sabre for Developers has the lower median latency in our checks — Sabre for Developers responds in 449 ms versus Transport for Belgium at 567 ms (P50). Tail latency (P95) is in the table above; for most workloads the median is the number that shapes how the API feels.

Do Sabre for Developers and Transport for Belgium need an API key?

Transport for Belgium needs no key, while Sabre for Developers requires a free API key. If you want to start calling without signup, reach for Transport for Belgium first.

Can I call Sabre for Developers and Transport for Belgium from the browser?

Yes — both Sabre for Developers and Transport for Belgium 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 Sabre for Developers and Transport for Belgium free for commercial use?

Sabre for Developers has unclear commercial terms, and Transport for Belgium 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.