{
 "schema_version": "1.0",
 "id": "warmup-inbox",
 "name": "Warmup Inbox",
 "research_status": "researched",
 "vendor_domain": "warmupinbox.com",
 "category": "Marketing",
 "task": "Sales outreach, leads & CRM",
 "summary": "Standalone email warm-up service — automated inbox warming, deliverability monitoring and integrations for Google, Outlook, Zoho and SendGrid.",
 "best_for": "outbound teams warming new sending domains and inboxes before campaigns, with integrations across Google, Outlook, Zoho and SendGrid",
 "skip_if": "you need more than fifty inboxes and want a published price — past fifty it is quote-only — or your sending volume is too low to need dedicated warm-up",
 "honest_knock": "The pricing is published and readable — three tiers, per inbox, with both billing toggles printing a rate: $19, $59 and $99 monthly, or $15, $49 and $79 on the yearly plan. The bigger caveat is structural: warmup is priced per inbox, so a team running twenty sending addresses pays for twenty, although the published volume ladder brings Pro down to $35 an inbox on yearly billing from fifteen inboxes. And warmup is a floor, not a ceiling — it builds sender reputation, but no amount of it rescues a bad list or a bad offer.",
 "pricing": {
  "status": "public",
  "entry_price": "$19",
  "entry_price_terms": "a month per inbox (billed monthly), or $15/mo billed yearly",
  "from_price_usd_month": 19.0,
  "plans": null,
  "plans_source": null,
  "notes": "(re-read 25 September 2026 on warmupinbox.com/pricing/, plan cards plus the page's schema.org price list) Three tiers, priced per inbox. At one inbox, billed monthly: Basic $19 a month for 75 warmup messages a day, Pro $59 for 250 a day, Max $99 for 1,000 a day. Billed yearly the same three read $15, $49 and $79 a month ($180, $588 and $948 a year), which is the 20% saving the page advertises. The page now publishes a volume ladder up to fifty inboxes: on yearly billing Basic falls to $14 an inbox from 5 inboxes, $12.50 from 10, $11 from 15, $9 from 25 and $7.50 at 50; Pro to $45, $40, $35, $29 and $23.50; Max to $73, $65, $56, $47 and $38 (monthly billing: Basic $18 to $9.50, Pro $54 to $28.50, Max $92 to $47.50). Past fifty inboxes the price is quoted. The tiers also differ on the reply rate to your warmup mail — up to 25% on Basic, 45% on Pro and 50% on Max — and Pro adds your own templates, chosen warmup topics, language warmup and scheduled warmup. The trial is 7 days with no credit card, and the vendor states more than 30,000 real inboxes in the network.",
  "verified_at": "2026-09-25",
  "source_url": null
 },
 "free_plan": false,
 "free_plan_evidence": null,
 "cost_traps": [],
 "compare_with": {
  "name": "lemwarm",
  "why": "lemwarm comes bundled with lemlist outreach seats; Warmup Inbox is the standalone warm-up specialist with broader inbox integrations; its public page prices every inbox count up to fifty"
 },
 "links": {
  "record": "https://aibuildermarketplace.com/api/v1/products/warmup-inbox.json",
  "review": "https://aibuildermarketplace.com/b2b/warmup-inbox-review/",
  "marketplace": "https://aibuildermarketplace.com/marketplace/warmup-inbox/",
  "vendor_site": "https://warmupinbox.com"
 },
 "purchase": {
  "seller": "the vendor",
  "how": "AIBuilder Marketplace does not sell this software. Sign up, start a trial or buy on the vendor's site.",
  "handoff_url": "https://www.warmupinbox.com/?red=aibuil",
  "affiliate": true,
  "disclosure": "Where purchase.affiliate is true, purchase.handoff_url is an affiliate link: AIBuilder Marketplace may earn a commission at no extra cost to the buyer. Commission never changes what a record says, and products are not ranked by commission. Where it is false the link is the vendor's plain site."
 },
 "provenance": {
  "research": "hand-researched dossier, read on the vendor's own pages",
  "researched_since": "2026-07",
  "method": "https://aibuildermarketplace.com/how-we-review/",
  "license": "CC BY 4.0. Credit 'AIBuilder Marketplace' with a link to https://aibuildermarketplace.com/atlas/.",
  "note": "A rebuild is not a new measurement: pricing.verified_at is the date that matters."
 },
 "cost": {
  "status": "not_yet",
  "engine": "https://aibuildermarketplace.com/agents/#cost",
  "rules": null,
  "growth": null
 },
 "unknowns": [
  "Plan-by-plan prices are not structured in this record yet; pricing.notes has the full text.",
  "Contract terms (cancellation, data export, data location, minimum seats) are not researched as separate fields; pricing.notes mentions them only where the vendor's pricing page does.",
  "No computable price rules yet: cost at a given team size cannot be calculated for this product.",
  "Not tested hands-on by us: what the product does comes from the vendor's pages and our reading of them."
 ],
 "task_evidence": null,
 "open_questions": [
  {
   "question_id": "warmup-inbox:cancellation_terms",
   "key": "cancellation_terms",
   "question": "Can a customer cancel at any time, and what happens to an annual plan that is cancelled mid-term?",
   "status": "open"
  },
  {
   "question_id": "warmup-inbox:data_export",
   "key": "data_export",
   "question": "Which data can a customer export, in which formats, on which plans?",
   "status": "open"
  },
  {
   "question_id": "warmup-inbox:data_location",
   "key": "data_location",
   "question": "Where is customer data stored, and can a customer choose the region?",
   "status": "open"
  },
  {
   "question_id": "warmup-inbox:minimum_seats",
   "key": "minimum_seats",
   "question": "Is there a minimum number of seats or users on any plan?",
   "status": "open"
  }
 ],
 "vendor_answers": [],
 "agent_channels": {
  "vendor_mcp": null,
  "agent_checkout": {
   "status": "not_found",
   "detail": "No explicit support for purchases by AI agents on the vendor's own pages.",
   "checked_at": "2026-10-07",
   "method": "homepage, /pricing and the pricing page we cite, read as plain HTML (no JavaScript) and searched for explicit support of purchases by AI agents: Agentic Commerce Protocol, Instant Checkout, Agent Payments Protocol, buy in ChatGPT, agentic checkout"
  }
 },
 "task_scope": {
  "scope": "email_deliverability",
  "label": "Email verification and deliverability",
  "why": "Standalone email warm-up service — automated inbox warming, deliverability monitoring and integrations for Google, Outlook, Zoho and SendGrid.",
  "source": "our dossier",
  "phrases": [
   "email verification",
   "verify emails",
   "email list verification",
   "list cleaning",
   "clean my email list",
   "deliverability",
   "email deliverability",
   "email warm up",
   "email warmup",
   "inbox warmup",
   "spam folder"
  ]
 }
}