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Mendeley Data (Elsevier)

data.mendeley.comAcademicstorage/mendeley-dataJSONcomparereport an errorprovider JSON

Free allowance
10 GB per dataset, free, unlimited datasets per account ('you can split your datasets into small sizes'; 'we can reference datasets within datasets').
Verdict
fails: quotathe free allowance is too small to matter
Cost
free tier
Identity
institution?placeholder, not evidence; card unknown, phone unknown
Binding limit
per-object-capper-object-cap: 10 GB
Evidence
reported4 sources; a third party said so
Freshness
stale on 2026-11-05checked 2026-10-21 (inherited); stale on 2026-11-05
Free tier10 GB per dataset, free, unlimited datasets per account ('you can split your datasets into small sizes'; 'we can reference datasets within datasets'). Institutional Digital Commons Data raises this to 100 GB/dataset.
unit GB; metered on unstated
Pricenone stated
Limits
  • per-object-cap (binding) per-object-cap: 10 GB source
per-object-cap: 10 GB per dataset (100 GB institutional). Retention: published datasets are immutable and 'archived with DANS ... in perpetuity', no expiry. Read path caveat: the download URL pattern returns a JSON envelope rather than bytes for non-existent file IDs, so anonymous bulk scraping needs real file UUIDs from the dataset API.
Identityinstitution (inferred, not read) not published
EgressFree, public datasets downloadable without login. Backed by AWS S3 eu-west-1 plus DANS long-term archive (three replicas).
Per-object capper-object-cap: 10 GB (10000000000 bytes)
Retention| Published datasets cannot be edited or deleted (versioning only) — a write-once archive, not a mutable store
Interfacerest rest
ToolingDocumented REST API (data.mendeley.com/api/docs) with OAuth2 client-credentials; search endpoint /api/datasets/v2/search is anonymous. Download URLs are /public-files/datasets/<id>/files/<fileid>/file_downloaded.
Composes with10 GB per dataset × unlimited datasets per account = effectively unbounded per identity; multiple free accounts multiply further. This is the cleanest 'per-record unlimited' shape in the niche.
ReliabilityPublished datasets cannot be edited or deleted (versioning only) — a write-once archive, not a mutable store. Download endpoint resolves via JSON for bad IDs, so naive crawlers must parse the API first.
Parsed numbers
  • has-free-tier 1
  • per-object-cap 10 GB
Evidence 4
datesourcewhat it proved
2026-10-21data.mendeley.com/faq100 GB institutional cap, DANS perpetuity archiving, 'once a dataset is published, it is not possible to edit or delete it'
2026-10-21www.elsevier.support/mendeley/answer/what-can-i-do-when-my-d'10GB per dataset limit', with the vendor's split-and-reference alternative route
2026-10-21data.mendeley.com/api/datasets/v2/search?query=test&limit=1probe: GET -> 200, real dataset JSON with doi 10.17632/...
2026-10-21source not publishedprobe: GET .../public-files/datasets/jxj8bn2vyf/files/1/file_downloaded -> 200 but Content-Type application/json, code 400 envelope (not bytes) — read path needs real file UUIDs
More fields 1
dead end{"failure_class": "quota","why": "10 GB per dataset, free, unlimited datasets per account ('you can split your datasets into small sizes'; 'we can reference datasets within datasets'). Institutional Digital Commons Data raises this to 100 GB/dataset.","retry_when": null,"first_recorded": "2026-10-21"}
Unknown values 2
  • per object cap notes: the field may be stated in a source that was not read
  • retention notes: the field may be stated in a source that was not read