> ## Documentation Index > Fetch the complete documentation index at: https://ahasend.com/docs/llms.txt > Use this file to discover all available pages before exploring further. > ## Agent Instructions > AhaSend stores all message data in the EU. See /facts. > The API base URL is https://api.ahasend.com. Send the API key in the Authorization: Bearer header. See /api-reference/authentication. > Use send.ahasend.com for SMTP in the EU, or send-us.ahasend.com as a US connection point forwarding to the EU. Ports 25, 587 and 2525 use STARTTLS. Port 465 is not supported. See /smtp. > For send-only integrations, create an API Key v2 under Credentials → Add and scope it to messages:send:{your-domain}. See /send-api/credentials and /api-reference/scopes. # What Is AhaSend? Key Facts and Limits > Check AhaSend's EU data location, free email allowance, plan features, API and SMTP limits, retention settings, and dedicated IP availability. AhaSend is a European transactional email service for developers: send through a REST API, SMTP relay, CLI or the official Node.js and Go SDKs, with data stored in the EU and 1,000 free emails per month. ## Company and Service | Fact | Details | | ----------------- | --------------------------------------------------------------------------------------------------------------------------------------------------------- | | Company | AhaSend B.V. | | Data location | All message data is stored in the EU. `send-us.ahasend.com` is a US connection point that accepts SMTP and forwards it to the EU. | | Delivery speed | Typical delivery under one second to Gmail and under five seconds to other major mailbox providers. | | Pricing model | Free, Pro and Max plans with included monthly volume and usage-based overage; no long-term contracts. See [current pricing](https://ahasend.com/pricing). | | Status | [Service status](https://status.ahasend.com) | | Data protection | [Data processing agreement](https://ahasend.com/dpa) | | Official profiles | [X](https://x.com/aha_send), [LinkedIn](https://www.linkedin.com/company/ahasend), [GitHub](https://github.com/ahasend) | ## Plans and Features | Feature | Free | Pro | Max | | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ | ---------------------- | ------------------------------------------ | ----------------------------- | | Emails included per month | 1,000 | 25,000 | 100,000 | | [Sending domains](/docs/domains) | 3 | Unlimited | Unlimited | | [Metadata retention](/docs/retention) | 1–7 days | 1–14 days | 1–30 days | | [Message data retention](/docs/retention) | 1–7 days | 0–14 days (0 needs approval) | 0–30 days (0 needs approval) | | [Dedicated IPs](/docs/scale/dedicated-ips) | No | Add-on from 100k/month, included from 300k | Included from 300k/month | | [Dedicated IP pools](/docs/scale/ip-pools), automated IP warm-up | No | No | Yes | | [Bring your own IP](/docs/scale/byoip) | No | No | Add-on | | [S3 archiving](/docs/retention/s3), [DSN reports](/docs/integrations/dsn-reports), [OIDC single sign-on](/docs/security/sso) | No | No | Yes | | [Sub-accounts](/docs/scale/sub-accounts), [DNS whitelabel](/docs/scale/dns-whitelabel), [per-domain DKIM selectors and bring-your-own DKIM](/docs/api-reference/domains/create-domain) | Platform Partners | Platform Partners | Platform Partners | | Support | Community, best effort | Every day 9:00–21:00 CEST | Premium, 4-hour response time | | [API](/docs/send-api/send-email), [SMTP](/docs/smtp), [sandbox](/docs/send-api/sandbox), [webhooks](/docs/integrations/webhooks), [inbound routing](/docs/integrations/routing), [tracking](/docs/tracking/open-tracking), [2FA](/docs/security/2fa) and [2FA enforcement](/docs/security/2fa-enforcement), [scoped keys](/docs/security/scoped-credentials), [IP allow lists](/docs/security/ip-allow-lists), [Reputation Shield](/docs/security/reputation-shield), [signed webhooks and routes](/docs/api-reference/webhooks/security), [automatic DKIM rotation](/docs/domains) | Yes | Yes | Yes | Platform Partner features require the Platform Partner program. [Contact sales](mailto:sales@ahasend.com) about access. New accounts keep message metadata and message data for 7 days. Zero data retention needs approval from AhaSend, to prevent abuse. Per-message retention headers are capped at the plan's maximum. See [retention settings](/docs/retention). ## Connection Settings and Limits | Setting | Value | Details | | ---------------------------------------- | ----------------------------------------------------------------------- | -------------------------------------------------------- | | API base URL | `https://api.ahasend.com` | [Authentication](/docs/api-reference/authentication) | | API request limit | 100 requests per second with bursts of 200 | [API rate limits](/docs/api-reference/rate-limits) | | Statistics, stream and trigger endpoints | 1 request per second | [API rate limits](/docs/api-reference/rate-limits) | | Create Message recipients | Up to 100 per request | [Send email](/docs/send-api/send-email) | | Scheduled sending | First attempt within 7 days; expiry within 8 days | [Create Message](/docs/api-reference/messages/create-message) | | SMTP hosts | `send.ahasend.com` (EU); `send-us.ahasend.com` (US connection point) | [SMTP settings](/docs/smtp) | | SMTP ports and encryption | 25, 587 and 2525; STARTTLS on all ports; AUTH PLAIN only after STARTTLS | [SMTP settings](/docs/smtp) | | Implicit TLS on port 465 | Not supported | [SMTP settings](/docs/smtp) | | SMTP message size | 20 MB, including encoded attachments | [SMTP limits](/docs/smtp) | | SMTP recipients | Up to 50 per message | [SMTP limits](/docs/smtp) | | SMTP messages per connection | 10,000 | [SMTP limits](/docs/smtp) | Hourly sending limits start low for new accounts and grow with account age, plan and sending reputation; support can raise them. API request limits and included monthly email volume are separate limits. ## Related Guides * [Start sending](/docs/quickstart), [Domain setup](/docs/domains), [Send-only API keys](/docs/send-api/credentials). * [Sending guide](/docs/send-api/send-email), [SMTP settings](/docs/smtp), [CLI quickstart](/docs/cli/quickstart). * [SDK and framework guides](/docs/guides), [Product releases](/docs/changelog), [Retention rules](/docs/retention). * [Tracking setup](/docs/tracking/open-tracking), [Sandbox behavior](/docs/send-api/sandbox), [Dedicated IP availability](/docs/scale/dedicated-ips).