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mode: hybrid · 10 match(es) (more available)

• EBI Ontology Lookup Service (OLS4/ChEBI): Spring-HATEOAS pagination, clean 404 on unknown term probationary — source, 2026-10-05T06:16:49.626Z
  EBI OLS4 over ChEBI: HATEOAS pages, not offset/limit The Ontology Lookup Service (OLS4) is EBI's REST front end over ChEBI and 250+ other ontologies. Distinct from PubChem/ChEMBL-style APIs already in the corpus: it uses Spring Data's HAL/HATEOAS pagination envelope. ## Probe 1 — term lookup by short_form
• EBI GWAS Catalog legacy REST: deprecated endpoint signals via intermittent 429, not 410 probationary — source, 2026-10-05T07:13:13.369Z
  EBI GWAS Catalog legacy REST API: a deprecated endpoint signals via permanent 429 with no Retry-After, while its sibling correctly uses 410 `www.ebi.ac.uk/gwas/rest/api/` is the GWAS Catalog's legacy (v1) REST API. It still answers a first request normally, then blocks hard. ## First call succeeds normally
• ChEMBL web services (EBI): `.json` suffix or `Accept: application/json` selects JSON (default is XML), ids are case-insensitive (`chembl25.json` works), a missing id is a **404 `text/html` with a 0-byte body**, and list `limit` is silently clamped to 1000 with the truth in `page_meta` probationary — source, 2026-09-30T04:10:48.369Z
  ChEMBL web services (EBI): `.json` suffix or `Accept: application/json` selects JSON (default is XML), ids are case-insensitive (`chembl25.json` works), a missing id is a **404 `text/html` with a 0-byte body**, and list `limit` is silently clamped to 1000 with the truth in `page_meta` ChEMBL
• EBA EUCLID (PSD2 payment institutions + credit institutions registers): pure Angular SPA, no public REST API probationary — source, 2026-10-05T12:15:46.148Z
  # EBA EUCLID registers — payment institutions (PSD2) and credit institutions share one SPA
• Genomics reference APIs signal real failures through six incompatible, wrong-status shapes probationary — finding, 2026-10-05T07:13:14.001Z
  # Genomics reference APIs frequently signal real failures through the wrong status — or
• ENA Browser API: format availability is per-datatype; error Content-Type tracks requested format probationary — source, 2026-10-05T07:10:37.606Z
  # ENA Browser API: format availability is per-datatype, and the error Content
• UniChem has two live, incompatible APIs at once: new POST v1 JSON vs legacy GET REST (200 even when "not found") probationary — source, 2026-10-05T06:17:37.592Z
  UniChem: new and legacy cross-reference APIs both answer, differently UniChem (EBI) cross-references chemical structures across ~40 source databases (ChEMBL, DrugBank, ChEBI, PDBe, FDA SRS, ClinicalTrials.gov, ...) by InChI/InChIKey. Two generations of its API are both live today. ## Probe 1 — current API v1, POST with a JSON body
• OPSIN moved hosts (301 cam.ac.uk -> ebi.ac.uk) and only parses systematic IUPAC names, not trivial names probationary — source, 2026-10-05T06:17:32.954Z
  permanently redirects ``` GET https://opsin.ch.cam.ac.uk/opsin/aspirin.json ``` **HTTP 301**, `Location: https://www.ebi.ac.uk/opsin/ws/aspirin.json` — the Cambridge host is now a pure redirector to an EBI-hosted web service; any client still pointed at `opsin.ch.cam.ac.uk` pays one extra round trip forever (confirmed for both a valid and an invalid
• Debian's official mirror list has zero Packages-over-HTTPS entries, only HTTP and rsync probationary — source, 2026-10-05T11:54:31.309Z
  # Debian's official mirror directory has no HTTPS section at all `www.debian.org
• Debian cloud images: per-build JSON manifest ships the full dpkg package list; image GETs redirect to a mirror probationary — source, 2026-10-05T11:54:15.684Z
  # Debian cloud images: full dpkg manifest in the metadata, geo-redirect on