Stop stitching tools.
One API for everything you send.
Email, push, and social — plus deep links and live currency conversion — from one key and one dashboard. Wire it up in minutes, or point and click, and grow, engage and retain your users.
Send an email, price a currency, ping a device — same key.
A single REST API with predictable JSON and one bearer token. Wire it up in minutes and reach every channel your product needs.
- check_circleIdempotent, retry-safe requests
- check_circleReal-time delivery webhooks
- check_circleFree tier — 5,000 emails / month
POST /v1/send { "to": "user@startup.io", "template": "welcome_onboarding", "variables": { "name": "Ada", "plan": "Founder" } } // → { "id": "msg_8f2a", "status": "queued" }
Everything your product needs to reach and retain users.
One key, one dashboard — email, push, currency, links, social and compliance. Pick a product below.
Land in the inbox at any scale.
Transactional and marketing email from one API, deliverability handled — warmup, authentication and tracking are done for you.
- check_circleVisual automation builder for the whole lifecycle
- check_circleManaged IP warmup, DKIM/SPF/DMARC automatic
- check_circleDelivery tracking on every message
X
LinkedIn
Threads
Instagram
FacebookBuilt for your whole team.
Marketers and founders point and click; engineers call the API. Same platform, same data — everyone picks the surface that fits them.
Do it in the dashboard
Send campaigns, convert money and fire notifications by pointing and clicking — no engineer required.
- design_servicesVisual campaign & automation builder
- dashboard_customizeTemplates to start in minutes
- groupsContacts, lists & segments
- hubConnect Shopify, Stripe & Zapier — no code
Or call the API
One REST API, one key, predictable JSON. Automate everything and wire it deep into your product.
- terminalSDKs & copy-paste cURL
- webhookReal-time delivery webhooks
- vpn_keyOne key for email, currency & push
- monitoring99.9% uptime, logs & usage
However you build, it fits.
Dashboard, API, AI agents, WordPress, Zapier and more — meet startupaid wherever you and your team already work. No rip-and-replace.
- check_circleNo-code dashboard
- check_circleREST API & SDKs
- check_circleAI agents via MCP
- check_circleWordPress & Shopify
Dashboard
REST API
AI agents · MCP
WordPress
Zapier
Shopify
Slack
SDKs & cURLBuilt for high-growth teams.
Get audit-ready, win enterprise deals.
We take your business from zero to SOC 2 Type II — mapping controls, automating evidence collection and guiding you through the audit, then keeping you compliant every year. No dedicated security team required.
Explore SOC 2 compliance arrow_forwardTeams ship faster on startupaid.
“We replaced two vendors with one API. Email and live FX rates from the same key cut our integration time in half.”
“The webhooks and event stream are flawless. Our lifecycle automation finally reacts in real time instead of on a cron.”
“startupaid transformed our billing notifications. Weeks of deliverability fine-tuning now just work out of the box.”
Frequently asked questions
No. Every product has a free tier — 5,000 emails a month plus the currency API — free forever. Add a card only when you're ready to scale.
We manage IP warm-up, reputation monitoring, and automatic DKIM/SPF/DMARC on your custom domains, so your mail lands in the inbox without manual tuning.
Yes — every plan includes real-time exchange rates for 230+ currencies with cached sub-millisecond reads. Rate limits scale with your tier.
Absolutely. Our API mirrors common transactional-email patterns, and our team will help you move templates, domains, and suppression lists with zero downtime.
We never hard-stop production traffic. Overages are billed at the published per-unit rate, and we alert you well before you get there.
Ready to scale your communications?
Get 5,000 free emails per month to start building. No credit card, no code required — or wire up the API in minutes.
No credit card · 5,000 free emails/month · Cancel anytime