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Heyzine
heyzine.comDocument hostingstorage/heyzineJSONcomparereport an errorprovider JSON
- Free allowance
- Free Basic: 5 flipbooks, unlimited pages, 1 GB storage, 1 user, no watermark, API access included.
- Verdict
- fails: quotathe free allowance is too small to matter
- Cost
- free tier
- Identity
- institution?placeholder, not evidence; card unknown, phone unknown
- Binding limit
- noneno named constraint binds
- Evidence
- reported3 sources; a third party said so
- Freshness
- stale on 2026-11-05checked 2026-10-21 (inherited); stale on 2026-11-05
| Free tier | Free Basic: 5 flipbooks, unlimited pages, 1 GB storage, 1 user, no watermark, API access included. unit GB; metered on stored-bytes |
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| Price | none stated |
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| Identity | institution (inferred, not read) not published |
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| Egress | Unlimited visits, no ads, no watermark on free; offline download of the flipbook HTML is offered ("download the html to host it yourself"). |
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| Per-object cap | not stated |
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| Retention | not stated |
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| Interface | rest rest |
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| Tooling | Real documented API + MCP server: create/list/delete flipbooks, access lists, embed codes, webhooks; API key via 'Authorization: Bearer'. Third-party python libs exist but nothing first-party for bulk sync. |
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| Composes with | 1 GB/account x unlimited free accounts; the API means it is automatable, but 1 GB units mean 1 TiB == 1,024 accounts and 10 TiB == 10,240. Only interesting as a serving front, not as bulk storage. |
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| Reliability | Over-quota accounts are subject to automatic deletion of old flipbooks, and free accounts hold only 5 publications. |
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| Parsed numbers | |
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Evidence 3
| date | source | what it proved |
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| 2026-10-21 | heyzine.com/ | 'Basic Free - 5 free flipbooks - Unlimited pages - Unlimited visits - No ads - API access - 1GB storage' |
| 2026-10-21 | heyzine.com/faq | 'the total disk space of your flipbooks and assets can't exceed your user's disk space'; auto-removal of old flipbooks when over quota |
| 2026-10-21 | heyzine.com/developers | API: create/list/delete flipbooks, 'Authorization: Bearer API_KEY' |
More fields 1
| dead end | {"failure_class": "quota","why": "Free Basic: 5 flipbooks, unlimited pages, 1 GB storage, 1 user, no watermark, API access included.","retry_when": null,"first_recorded": "2026-10-21"} |
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Unknown values 4
- per object cap notes: the field may be stated in a source that was not read
- per object cap stated: 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
- retention stated: the field may be stated in a source that was not read