scienceopen

Free allowance: Challenge-walled for every non-browser tool: read.web returned 'deadline ... after it moved on for challenge' with all providers failing, and /faq is a 404.
Verdict: deadthe offer or the service no longer exists
Cost: no price stated
Identity: email?placeholder, not evidence; card unknown, phone unknown
Binding limit: noneno named constraint binds
Evidence: reported2 sources; a third party said so
Freshness: checked 2026-10-21checked 2026-10-21 (inherited)

Free tier	Challenge-walled for every non-browser tool: read.web returned 'deadline ... after it moved on for `challenge`' with all providers failing, and /faq is a 404. ScienceOpen is a… unit none; metered on none
Price	none stated
Identity	email (placeholder) not published
Egress	not recorded
Interface	unknown
Tooling	not recorded
Parsed numbers	has-free-tier 0

Evidence 2

date	source	what it proved
2026-10-21	www.scienceopen.com/join	the text of Free tier, above
2026-10-21	www.scienceopen.com/faq	cited as the basis of the rejection: Challenge-walled for every non-browser tool: read.web returned 'deadline ... after it moved on for `challenge`' with all providers failing, and /faq is a 404. ScienceOpen is a publishing/pee

More fields 1

dead end	{"failure_class": "dead-service","why": "Challenge-walled for every non-browser tool: read.web returned 'deadline ... after it moved on for `challenge`' with all providers failing, and /faq is a 404. ScienceOpen is a…","retry_when": null,"first_recorded": "2026-10-21"}

Unknown values 7