{"rid":"email/plunk-selfhost","card":{"rid":"email/plunk-selfhost","eid":"github-useplunk","topic":"email","slug":"plunk-selfhost","provider":"Plunk (self-hosted)","url":"https://github.com/useplunk/plunk","domain":"github.com","category":"transactional sender (self-hosted)","tier":null,"verdict":"qualifies-with-caveat","vorder":1,"grp":"usable","confidence":"documented","binding":"none","identity_kind":"anonymous","identity_basis":"stated","needs_card":0,"needs_phone":0,"needs_id":0,"needs_institution":0,"country":null,"crypto":null,"interfaces":"rest","egress_metered":0,"per_object_bytes":null,"retention_days":null,"verified_at":"2026-10-22T03:20:00.000Z","verified_basis":"live","checked_on":"2026-10-23","stale_on":"2026-11-22","n_evidence":1,"usd_month":null,"usd_per_tb_month":null,"summary":"AGPL-3.0; no limit from the software, with SES or another relay behind it","duplicate_of":null,"n_unknown":1},"record":{"topic":"email","slug":"plunk-selfhost","provider":"Plunk (self-hosted)","url":"https://github.com/useplunk/plunk","category":"transactional sender (self-hosted)","free_tier":{"stated":"AGPL-3.0; no limit from the software, with SES or another relay behind it","unit":"none","metered_on":"none","source_url":"https://docs.useplunk.com/concepts/billing","read_on":"2026-10-22","notes":""},"per_object_cap":{"stated":"not applicable","bytes":null,"notes":""},"retention":{"stated":"whatever the relay and the database keep","days":null,"notes":"","source_url":"https://docs.useplunk.com/concepts/billing"},"egress":{"terms":"the relay's terms, not the software's","metered":false,"free_allowance":null,"price_per_tb":null,"source_url":"https://docs.useplunk.com/concepts/billing"},"interface":["rest"],"tooling":"docker compose, the Plunk API","chaining":"the front half of the only chain that reaches real volume, and that chain is paid: Plunk self-host in front of SES at USD 0.10 per 1,000.","limits":[],"identity_cost":{"kind":"anonymous","detail":"the software needs no account","country":null},"reliability_note":null,"confidence":"documented","evidence":[{"url":"https://docs.useplunk.com/concepts/billing","date":"2026-10-22","proved":"the billing concepts page separates the hosted allowance from the self-hosted deployment"}],"verdict":"qualifies-with-caveat","verified_at":"2026-10-22T03:20:00.000Z","notes":"The software is free and the mail is not.","extras":{"stale_after_days":90},"binding":"none","interface_detail":"a self-hosted Plunk instance against your own database and relay","confidence_note":"no probe: the application was not installed. The claim is that the software imposes no limit, which is a claim about absent code and is unmeasured"},"claims":[{"path":"$.free_tier.stated","kind":"free-quota","num":null,"unit":null,"per":null,"currency":null,"usd":null,"fx_date":null,"parse":"unparsed"}],"unknown":[["$.reliability_note","withheld"]],"history":[],"drift":[]}