SKYDB Building database

Tall buildings worldwide, with heights, construction status and the companies involved.

Rankings of tall buildings

Tall Building Markets

Tall buildings, tracked.

SKYDB is collecting verifiable information about buildings.

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Are there rate limits on the SKYDB API?

Read requests are counted per minute, hour and day; Insights and API plans are exempt, and writes are never throttled.

Yes. SKYDB counts read requests to the SKYDB API per minute, per hour and per day. Signed-in accounts get higher limits than anonymous visitors, and an account that is older than a week or has contributed gets higher limits again.

Accounts with SKYDB Insights or the API plan are exempt from these limits. Write requests are never throttled, so a save is not lost to a limit. For a large one-time pull, an export is the better tool.

A read above the limit still answers HTTP 200, but its data object contains _stub: true and a message in place of records. Check for that flag before you process a response. The header X-RateLimit-Utilization reports the share of your limit in use, so a client can slow down before it reaches 100 percent.