Universität Hamburg · Rate Limits

Universitat Hamburg Rate Limits

Universität Hamburg does not publish a unified public rate-limit table across its APIs. Open metadata and harvesting endpoints (OAI-PMH, IIIF, library) may throttle large-scale or automated harvesting; clients should harvest politely, honor Retry-After, and contact the relevant service for bulk access.

Universitat Hamburg Rate Limits is the machine-readable rate-limit profile for Universität Hamburg on the APIs.io network, conforming to the API Commons Rate Limits specification.

It captures 2 rate-limit definitions, measuring requests-per-window and requests-per-minute.

The profile also includes 1 backoff/retry policy defined and response codes documented for throttled.

Tagged areas include Education, Higher Education, University, and Rate Limiting.

2 Limits Throttle: 429
EducationHigher EducationUniversityRate Limiting

Limits

ZFDM Research Data Repository API client
requests-per-window
5000
Observed live 2026-09-01 on https://www.fdr.uni-hamburg.de/api — response headers advertise X-RateLimit-Limit 5000 with X-RateLimit-Remaining and a Unix-epoch X-RateLimit-Reset. The window length is not stated in the headers and is not documented by the institution. No 429 was induced during probing.
Default client
requests-per-minute
see service documentation
No published global limit across the OAI-PMH endpoints; large harvests may be rate-limited.

Policies

Backoff Strategy
Exponential backoff with jitter; honor Retry-After; harvest during off-peak hours.

Sources

Work with this as data

Every rate limit here is available over the APIs.io API and to AI agents over MCP.

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Tools for rate limits

4 MCP tools reach this
  • find_rate_limitsBrowse and filter every rate limit in the catalog.
  • apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
  • resolveTurn a domain, URL or GitHub org into the provider it belongs to.
  • find_cohortsEvery scored population of providers in the catalog.
All 92 tools →

Call it yourself

curl for this page
This rate limit 
curl "https://apis.io/api/v1/rate-limits/universitat-hamburg-rate-limits"
All rate limits 
curl "https://apis.io/api/v1/rate-limits?limit=25"

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