{"eid":"github-useplunk","name":"Plunk","domain":"github.com","resolved_by":"platform","topics":["email"],"n_records":1,"best_vorder":1,"review":null,"aliases":["Plunk","Plunk (self-hosted)","github.com"],"records":[{"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","self_hosted":1,"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":"2026-11-02T10:00:32.339Z","verified_basis":"live","checked_on":"2026-11-02","stale_on":"2026-12-03","n_evidence":5,"usd_month":null,"usd_per_tb_month":null,"summary":"no allowance stated for self-hosted instances: https://docs.useplunk.com/concepts/billing says 'Pricing on this page applies to the hosted version at useplun...","duplicate_of":null,"n_unknown":1,"free_unit":"none"},"record":{"topic":"email","slug":"plunk-selfhost","provider":"Plunk (self-hosted)","url":"https://github.com/useplunk/plunk","category":"transactional sender (self-hosted)","free_tier":{"stated":"no allowance stated for self-hosted instances: https://docs.useplunk.com/concepts/billing says 'Pricing on this page applies to the hosted version at useplunk.com; self-hosted instances run on their own infrastructure'","unit":"none","metered_on":"none","source_url":"https://docs.useplunk.com/concepts/billing","read_on":"2026-10-22","notes":"self-hosting is offered as 'Self-host for free', run on the user's own infrastructure with no per-email costs, and the software is listed as AGPL-3.0 licensed (https://www.useplunk.com/pricing)"},"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"},{"url":"https://docs.useplunk.com/concepts/billing","date":"2026-11-02","proved":"the page's pricing, its free tier included, applies to the hosted version; for self-hosted instances it says only that they run on their own infrastructure, and it gives them no allowance or price","capture":"sha256:9e381b3d6b2addbbeb3024fe51bb75ca935356593d90b7ea8fc68f9fe796a26b","quote":"Pricing on this page applies to the hosted version at [useplunk.com](https://www.useplunk.com); self-hosted instances run on their own infrastructure."},{"url":"https://www.useplunk.com/pricing","date":"2026-11-02","proved":"the vendor's pricing page offers self-hosting as 'Self-host for free' on the user's own infrastructure with no per-email costs, and lists the software as AGPL-3.0 licensed; it puts no price on the self-hosted offer","capture":"sha256:5c199574f360acc9016673d6408acd08af48cc3cd43fdc763c13fd02310bbe87","quote":"AGPL-3.0 licensed. Inspect the code, self-host it, or contribute. ... Self-host for free Run Plunk on your own infrastructure — full data ownership, no per-email costs"},{"url":"https://github.com/useplunk/plunk","date":"2026-11-02","proved":"the repository README names the software's licence as AGPL-3.0","capture":"sha256:dd2c509e6fa126c2b2ef7684e74cbfcc37dfb13ddabfa93380d37a56984a48d7","quote":"AGPL-3.0 License - see [LICENSE](https://github.com/useplunk/plunk/blob/next/LICENSE) for details."},{"url":"https://docs.useplunk.com/self-hosting/introduction","date":"2026-11-02","proved":"the self-hosting requirements list an AWS SES account for sending emails, with Docker and Docker Compose and a domain name with subdomains for each service","capture":"sha256:a51da880d5c33c896289dd0b740d72cb5081d9c230f3c230bded363951159687","quote":"Docker and Docker Compose * AWS SES account (for sending emails) * Domain name with subdomains for each service"}],"verdict":"qualifies-with-caveat","verified_at":"2026-11-02T10:00:32.339Z","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","self_hosted":true},"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":[]}]}