# coss.com changelog (https://coss.com/changelog)

What shipped, newest first. Every API version's breaking changes: https://coss.com/docs/api-reference/changelog

## Scheduling (2026-11-03)

Let your users be booked: hosts, weekly hours, Google, Microsoft and CalDAV calendars, and bookings with double-booking prevented by the database. Hosted pages are served at cossbook.com, with your branding on emails.

https://coss.com/products/scheduling

## Support from the dashboard (2026-11-03)

Email support@coss.com or raise a ticket in the dashboard, with response targets per plan.

https://coss.com/pricing

## Forms (2026-10-30)

Hosted form endpoints for your site. Every submission is screened for spam, and accepted ones go to webhooks, notification emails and contacts.

https://coss.com/products/forms

## Verify (2026-10-30)

One-time codes by SMS or email, with a fraud guard that stops SMS pumping before anything is sent.

https://coss.com/products/verify

## Email for platforms (2026-10-30)

Sub-accounts give each of your users their own domains, suppressions, quotas and reputation.

https://coss.com/products/subaccounts

## Log drain presets (2026-10-30)

Send logs straight to Loki, Datadog or an OTLP collector, with an encrypted auth header.

https://coss.com/docs/log-drains

## Inboxes for AI agents (2026-10-29)

Give an agent its own email address, with received mail kept as threads and replies that thread in every mail client.

https://coss.com/products/inboxes

## Phone checks in Risk (2026-10-29)

coss.risk.checkPhone() reports whether a number exists, its line type and its carrier.

https://coss.com/products/risk

## SDKs for six more languages (2026-10-21)

Python, Go, Ruby, PHP, Java and .NET SDKs, generated from the OpenAPI document.

https://coss.com/products/sdks

## SMS (2026-10-19)

Send and receive text messages on the same key as email, with US carrier registration handled from one form.

https://coss.com/products/sms

## Import from Resend, SendGrid and Postmark (2026-10-19)

Bring your domains, templates, contacts, suppressions and webhooks over from the dashboard.

https://coss.com/docs/migrate

## Marketing email (2026-10-16)

Contacts, audiences, segments, topics and broadcasts, in a stream of their own so complaints never hold up password resets.

https://coss.com/products/marketing-email

## DMARC reports and dedicated IPs (2026-10-16)

Aggregate reports that guide a domain from p=none to reject, and dedicated IP pools as a paid add-on.

https://coss.com/docs/email/dmarc

## Integrations for Nodemailer, Better Auth and Auth.js (2026-10-16)

Send what your app already sends through coss.com without rewriting it.

https://coss.com/docs/integrations

## SMTP relay and MCP server (2026-10-15)

smtp.coss.com for apps that can't call an API, and coss-mcp for coding agents.

https://coss.com/products/smtp

## Risk building blocks and rate limiting (2026-10-15)

Email and IP checks, content classification, device tokens, and a hosted rate limiter for your own endpoints.

https://coss.com/products/rate-limiting

## Risk (2026-10-14)

Allow, review or block sign-ups, logins and other events, with the reasons why.

https://coss.com/products/risk

## The coss SDK on npm, and sign-in with Google and GitHub (2026-10-14)

npm install coss, and a faster way into the dashboard.

https://coss.com/docs/sdk

## Plans and pricing (2026-10-12)

A free plan, paid plans whose monthly fee becomes usage credit, and a public billing API.

https://coss.com/pricing

## Logs, log drains and directory sync (2026-10-11)

Environment logs and an organization audit log, streamed to your own endpoints, plus SCIM for your members.

https://coss.com/products/platform

## Batch sends and dated API versions (2026-10-11)

Send up to 100 emails in one request, and upgrade API versions when you choose.

https://coss.com/docs/api-reference/versioning