{"category":{"id":"email","name":"Email","description":"Agent email addresses, inbox APIs, sending, receiving, and deliverability.","pagePath":"/email","markdownPath":"/categories/email.md"},"count":4,"fields":[{"name":"company_slug","type":"string","description":"Stable company slug used in URLs and API lookups.","buyer_reason":"Lets a buyer bookmark, diff, and fetch the same vendor reliably."},{"name":"company_name","type":"string","description":"Vendor name.","buyer_reason":"Names the provider behind the offering."},{"name":"tagline","type":"string","description":"One sentence description of what the company sells.","buyer_reason":"Gives a fast fit check before deeper comparison."},{"name":"company_status","type":"active | acquired | dead","description":"Overall company status.","buyer_reason":"Separates operating vendors from market history."},{"name":"url","type":"url","description":"Primary vendor URL.","buyer_reason":"Provides the next place to verify or start procurement."},{"name":"offering_status","type":"live | beta | waitlist | announced | deprecated | dead","description":"Maturity of the category-specific offering.","buyer_reason":"Shows whether a buyer can use the product now or should treat it as futureware."},{"name":"what_you_get","type":"string","description":"Plain-English summary of the offering.","buyer_reason":"Explains the actual deliverable, not just the category label."},{"name":"geographies","type":"string[]","description":"Published geographic availability.","buyer_reason":"Prevents wasted vendor work when coverage does not match the buyer's users."},{"name":"acquisition","type":"self_serve | waitlist | sales_led","description":"Published buying or onboarding motion.","buyer_reason":"Clarifies whether a buyer can test quickly or needs a sales cycle."},{"name":"pricing_summary","type":"string","description":"Published pricing summary when available.","buyer_reason":"Surfaces pricing opacity and likely budget impact."},{"name":"pricing_url","type":"url","description":"Pricing source URL when available.","buyer_reason":"Lets a buyer verify current commercial terms."},{"name":"integration_api","type":"boolean","description":"Whether a public API is published.","buyer_reason":"Indicates if the offering can be integrated without manual operations."},{"name":"integration_sdk","type":"boolean","description":"Whether an SDK is published.","buyer_reason":"Indicates implementation speed for developer teams."},{"name":"integration_mcp","type":"boolean","description":"Whether MCP support is published.","buyer_reason":"Indicates direct usefulness to agent clients and agentic workflows."},{"name":"standards","type":"string[]","description":"Relevant standards or protocols tagged in the registry.","buyer_reason":"Shows interoperability anchors and ecosystem commitments."},{"name":"gotchas","type":"string[]","description":"Hands-on caveats found during registry review.","buyer_reason":"Highlights buyer diligence items that marketing pages often omit."},{"name":"last_checked","type":"YYYY-MM-DD","description":"Date this registry entry was last checked against sources.","buyer_reason":"Shows how fresh the claim is."},{"name":"freshness_days","type":"number","description":"Days since last_checked.","buyer_reason":"Makes stale entries easy to filter."},{"name":"sources","type":"url[]","description":"Source URLs backing the material facts.","buyer_reason":"Supports independent verification."},{"name":"address_model","type":"own_domain | provider_domain | both","description":"Domain model for agent email addresses.","buyer_reason":"Affects brand control, deliverability, and migration risk.","categories":["email"]},{"name":"direction","type":"sending | receiving | both","description":"Whether the product sends, receives, or does both.","buyer_reason":"Clarifies whether the product can operate as a true mailbox.","categories":["email"]},{"name":"deliverability_handling","type":"string","description":"Published deliverability support.","buyer_reason":"Shows whether the vendor manages reputation, DNS, and inbox placement.","categories":["email"]},{"name":"inbox_api","type":"boolean","description":"Whether a programmable inbox API is published.","buyer_reason":"Indicates whether agents can read and act on mail programmatically.","categories":["email"]}],"rows":[{"company_slug":"agentmail","company_name":"AgentMail","tagline":"AgentMail is an API platform that gives AI agents their own email inboxes to send, receive, and act on email.","company_status":"active","url":"https://www.agentmail.to/","offering_status":"live","what_you_get":"Agents get programmatically created email inboxes with a REST API to send, receive, thread, label, and search messages, plus webhook and WebSocket event delivery.","geographies":[],"acquisition":"self_serve","pricing_summary":"Free plan includes 3 inboxes, 3,000 emails per month, 100 emails per day, and 3 GB storage. Paid plans are Developer at 20 dollars per month and Startup at 200 dollars per month, with custom Enterprise pricing.","pricing_url":"https://www.agentmail.to/pricing","integration_api":true,"integration_sdk":true,"integration_mcp":true,"standards":[],"gotchas":[],"last_checked":"2026-07-05","freshness_days":1,"sources":["https://www.agentmail.to/","https://docs.agentmail.to/","https://www.agentmail.to/pricing","https://www.ycombinator.com/companies/agentmail","https://techcrunch.com/2026/03/10/agentmail-raises-6m-to-build-an-email-service-for-ai-agents/"],"address_model":"both","direction":"both","deliverability_handling":"Supports custom domains with DKIM, SPF, and DMARC configuration, plus IMAP and SMTP access.","inbox_api":true},{"company_slug":"inkbox","company_name":"Inkbox","tagline":"Inkbox gives AI agents a persistent identity with an email inbox, a phone number, and a public tunnel URL.","company_status":"active","url":"https://inkbox.ai/","offering_status":"live","what_you_get":"Each agent identity gets a mailbox with a unique @inkboxmail.com address that can send and receive email, with thread management, search, and filtering. Custom sending domains are available on paid plans.","geographies":[],"acquisition":"self_serve","pricing_summary":"Free tier includes 3 agent identities with mailboxes and no credit card required. Hobbyist is $10/month for 5 identities and 5 custom email domains. Developer is $25/month for 15 identities and 15 custom email domains. Enterprise is custom pricing.","pricing_url":"https://inkbox.ai/pricing","integration_api":true,"integration_sdk":true,"integration_mcp":false,"standards":[],"gotchas":[],"last_checked":"2026-07-05","freshness_days":1,"sources":["https://inkbox.ai/","https://inkbox.ai/docs/get-started/introduction","https://inkbox.ai/pricing","https://github.com/inkbox-ai/inkbox","https://github.com/inkbox-ai"],"address_model":"both","direction":"both","deliverability_handling":null,"inbox_api":true},{"company_slug":"primitive","company_name":"Primitive","tagline":"Primitive gives AI agents their own email addresses and an API to send, receive, and reply to email.","company_status":"active","url":"https://www.primitive.dev/","offering_status":"live","what_you_get":"An agent gets a managed email address on a primitive.email subdomain or a custom domain, plus a REST API, SDKs (Node.js, Python, Go), a CLI, and a hosted MCP server to send, receive, and reply to email.","geographies":[],"acquisition":"self_serve","pricing_summary":"Three usage-based tiers: Developer is free with 5 dollars per month of usage credits, Power is 13 dollars per month with matching credits, Platinum is 299 dollars per month with matching credits. Metering covers inbound and outbound email, storage, function invocations, and runtime.","pricing_url":"https://www.primitive.dev/","integration_api":true,"integration_sdk":true,"integration_mcp":true,"standards":[],"gotchas":[],"last_checked":"2026-07-05","freshness_days":1,"sources":["https://www.primitive.dev/","https://docs.primitive.dev/docs","https://www.ycombinator.com/companies/primitive"],"address_model":"both","direction":"both","deliverability_handling":"Managed SPF, DKIM, DMARC, TLS-RPT, inbound MX, bounce processing, and sending-IP reputation.","inbox_api":true},{"company_slug":"robotomail","company_name":"Robotomail","tagline":"Robotomail gives AI agents email mailboxes they can create, send, and receive from via API.","company_status":"active","url":"https://robotomail.com/","offering_status":"live","what_you_get":"Agents get a real email mailbox provisioned via API, and can send and receive email through REST endpoints, webhooks, SSE, or polling, using either a shared platform domain or the customer's own domain.","geographies":[],"acquisition":"self_serve","pricing_summary":"Free plan with 10 test sends and 10 receives. Developer $19/mo for 10 mailboxes and 15,000 sends/month. Growth $79/mo for 50 mailboxes and unlimited sends. Scale $199/mo for 200 mailboxes, unlimited sends, and dedicated IPs. 3-day free trial and 30-day money-back guarantee on paid plans.","pricing_url":"https://robotomail.com/pricing","integration_api":true,"integration_sdk":false,"integration_mcp":false,"standards":[],"gotchas":[],"last_checked":"2026-07-05","freshness_days":1,"sources":["https://robotomail.com/","https://robotomail.com/pricing","https://robotomail.com/docs"],"address_model":"both","direction":"both","deliverability_handling":"Mail is sent through Resend with automatic DKIM signing and delivery tracking, and inbound mail is received via Stalwart mail server with MX records, polled every 5 seconds and delivered by webhook, SSE, or polling.","inbox_api":true}]}