What's new.

Updated 15 April 2026 · Product updates, new features, and improvements to nitrosend

We ship fast. This page is the source of truth for everything we've shipped, in reverse chronological order. If you want major releases in your inbox, subscribe here.

v0.3.0 - April 2026

Public API stability pass and the first cohort of shared MCP improvements.

OpenAPI 3.1 spec - Full public REST API documented at api.nitrosend.com/openapi.yaml.
Node SDK v0.1.0 - @nitrosend/sdk published on npm. Strongly typed client for all public endpoints.
MCP tool: nitro_get_insights - Delivery insights, open and click rates, and per-campaign analytics exposed to agents.
Brand auto-scraping - Point nitrosend at a URL and it extracts colours, fonts, and logo in a single MCP tool call.
Unlimited contacts - Every plan now includes unlimited contacts. You only pay for sends and compute.

v0.2.0 - March 2026

nitrosend is live and onboarding the first wave of users who want to experience AI-native email marketing.

MCP server - Connect nitrosend to Claude Code, ChatGPT, Cursor, Codex, and Gemini via MCP. Full campaign lifecycle from your AI agent.
REST API - Complete API for contacts, campaigns, templates, segments, and sending. Full docs at docs.nitrosend.com.
AI email composition - AI-powered copywriting and design. Component-based email format that renders to pixel-perfect HTML.
BYO mode - Bring your own sending infrastructure (AWS SES, Mailgun, Postmark) and AI keys (OpenAI, Anthropic).
Campaigns & automations - Send one-off campaigns or build multi-step automation flows. Segment your audience with flexible rules.
Deliverability - SPF, DKIM, DMARC, and custom domain verification. Domain warmup guidance baked in.

v0.1.0 - February 2026

The first version of nitrosend, running with a handful of design partners while we tested the MCP-first architecture.

MCP-first architecture - Every capability exposed as an MCP tool and REST endpoint from day one. No dashboard-first design.
Component model - Email template format designed for AI composition. Structured JSON that renders to MJML and then HTML.
Email Marketing Skill launched - emailmarketingskill.com. 55,000 words, 908 sources, 19 industry playbooks. Available as a Claude skill.
Brand memory - Accounts remember brand context across every agent session. No re-prompting design details.

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