OEIS API

The Online Encyclopedia of Integer Sequences (OEIS) API provides access to over 350,000 integer sequences. Search by sequence ID, terms, keywords, or author.

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Base URL: https://oeis.org/search
Auth: unknown
Endpoints: 2
Reachable: yes
CORS: unknown
Last checked: 2026-03-14 16:08:54.606787

Links

Homepage: https://oeis.org
API Base: https://oeis.org/search

100.0%

Uptime (7d)

827ms

Avg latency (7d)

8

Probes (7d)

Latency (7d)

Success Rate (7d)

Topics

KNOWLEDGE, SCIENCE

Endpoints

Method Path Summary Auth Last Status Latency
GET /search Search for sequences — 200 527ms
GET /{sequenceId} Get sequence by ID — 200 540ms