---
title: "The Transparent, PAYG Alternative to Spotler SendPro"
description: "Spotler SendPro is a transactional email platform (formerly Flowmailer). AhaSend is a developer-first alternative with transparent pay-as-you-go pricing, a free tier, and dedicated IPs included."
url: https://ahasend.com/sendpro-alternative
markdown_url: https://ahasend.com/sendpro-alternative.md
lang: en
type: page_builder
published: 2026-06-15
updated: 2026-09-02
currencies: USD, EUR, GBP
---

# The Transparent, PAYG Alternative to Spotler SendPro

**The Spotler SendPro alternative**

Spotler SendPro is a capable transactional email platform. AhaSend is a developer-first alternative built purely for transactional email with transparent, pay as you go pricing, a permanent free tier, and dedicated IPs included. Connect over the same SMTP and REST API you already use, and start sending in minutes.

- [Start For Free](https://dash.ahasend.com/user/register)

## Fair and simple usage-based pricing

Start free with 1,000 emails a month, then scale on a simple Pay As You Go (PAYG) model with automatic volume discounts.

- Free for the first 1000 emails / month
- $10 / month for 25,000 emails included
- Pay-as-you-go pricing (volume discounts apply)

[Start For Free](https://dash.ahasend.com/user/register)

### Features

Thoughtfully crafted for sending transactional emails at any scale

- Unlimited domains
- Unlimited team members
- Unlimited webhooks
- Unlimited message routes
- RESTful APIs & SMTP relay
- Open and click tracking
- Customizable retention policies (up to 30 days)
- Automated bounce and blocklist management
- Automated SPAM monitoring
- Priority support

## Compare our prices

_Prices are shown in USD, EUR and GBP. Your account is billed in the currency matching your location._

Estimated monthly cost at several sending volumes:

### USD

| Emails per month | AhaSend | Spotler SendPro |
| --- | --- | --- |
| 10,000 | $10.00 | $103.00 |
| 50,000 | $22.50 | $205.00 |
| 100,000 | $47.50 | $450.00 |
| 500,000 | $247.50 | $705.00 |
| 1,000,000 | $497.50 | $845.00 |

### EUR

| Emails per month | AhaSend | Spotler SendPro |
| --- | --- | --- |
| 10,000 | €9.00 | €89.00 |
| 50,000 | €20.25 | €179.00 |
| 100,000 | €42.75 | €389.00 |
| 500,000 | €222.75 | €609.00 |
| 1,000,000 | €447.75 | €729.00 |

### GBP

| Emails per month | AhaSend | Spotler SendPro |
| --- | --- | --- |
| 10,000 | £8.00 | $103.00 |
| 50,000 | £18.00 | $205.00 |
| 100,000 | £38.00 | $450.00 |
| 500,000 | £198.00 | Free! |
| 1,000,000 | £398.00 | $845.00 |

_\* Based on publicly available pricing information for plans with features similar to AhaSend._

## Included on every plan

Every AhaSend plan includes the core transactional email toolkit API and SMTP, webhooks, tracking, EU infrastructure and bounce handling. Higher plans add more log retention, dedicated IPs, and SSO as you grow.

- **REST API + SMTP relay**: Integrate with a clean API or drop-in SMTP.
- **Webhooks & event streaming**: Real-time delivery, open, click and bounce events out of the box.
- **Open & click tracking**: Built-in analytics with no add-on.
- **Sandbox mode**: Test your integration safely before sending live traffic.
- **Email authentication**: DKIM, SPF and DMARC setup on every account.
- **Multi region EU infrastructure**: GDPR compliant sending hosted in the EU.
- **Bounce & suppression handling**: Automatic bounce tracking and suppression management.
- **Pay As You Go scaling**: Pay per 1,000 emails beyond your plan, with no long-term contract.

## How AhaSend Features Compare to Spotler SendPro

Spotler SendPro and AhaSend both deliver transactional email at scale. Here is how they line up on pricing model, included features, retention, and developer experience.

### Pricing

| Feature | AhaSend | Spotler SendPro |
| --- | --- | --- |
| Free Plan | 1000 emails / month | 30-day trial · 100 test emails |
| PAYG Pricing | Yes | No |
| Pricing for 25,000 emails | $10 (€9 / £8) | €89 (Go!) · €249 (Pro) |

### Email Capabilities

| Feature | AhaSend | Spotler SendPro |
| --- | --- | --- |
| Supports marketing emails | No | No |
| Optimized for fast transactional email delivery | Yes | Yes |
| Email API | Yes | Yes |
| SMTP relay | Yes | Yes |
| Suppression management | Yes | Yes |

### Integrations and APIs

| Feature | AhaSend | Spotler SendPro |
| --- | --- | --- |
| Webhooks | Unlimited webhooks | add-on |
| Inbound Routing | Unlimited routes | Message flows |
| CLI app | Yes | No |
| Management API | Yes | Yes |
| Scoped API Keys (Control API access with domain restrictions and granular permissions for enhanced security) | yes | No |

### Data Retention

| Feature | AhaSend | Spotler SendPro |
| --- | --- | --- |
| Log retention (Configure delivery log retention period from 1 day to 30 days.) | 1 to 30 days ((customizable)) | Tied to plan |
| Message retention (Choose how long message data should be retained on AhaSend (if at all) to a maximum of 30 days.) | 0 to 30 days ((customizable)) | Go! 90 days · Pro 1 year |
| Message and log retention on your S3 buckets (Is 30 days retention not enough? Easily retain your delivery logs and messages to any S3-compatible object storage of your choice.) | Yes | No |

### Analytics

| Feature | AhaSend | Spotler SendPro |
| --- | --- | --- |
| Link and Open Tracking | Yes | Yes |
| Deliverability Analytics (Aggregate delivery reports, Average delivery times, Bounce Categorization chart, Email Status chart, and more!) | Yes | Yes |
| DSN Reports (Generate RFC 3464 formatted bounce reports for enterprise compliance and monitoring) | Available on Max plan | no |

### Domain Management

| Feature | AhaSend | Spotler SendPro |
| --- | --- | --- |
| Domain Authentication (Safeguard your emails and domain reputation using SPF, DMARC, DKIM, Return-Path and MX DNS records.) | Yes | Yes |
| Automated DNS setup (AhaSend will automatically and accurately set up your Domain Authentication DNS records in seconds, no need for dealing with DNS records manually!) | Yes | No |
| DNS Whitelabel (Replace AhaSend’s domain with your own branded domain across all DNS records, providing a completely white-labeled email infrastructure for your customers.) | Yes | No |
| Custom subdomains (Personalize your return-path, tracking, subscription (unsubscribe pages), and media subdomains.) | Yes | No |
| Sending Domains (The amount of Sending Domains you can add to your account) | 3 (Free) · Unlimited (Paid) | Go! max 5 · Pro unlimited |

### Scaling

| Feature | AhaSend | Spotler SendPro |
| --- | --- | --- |
| Multi-user access | Yes | Yes |
| Sub accounts (per-tenant isolation) | Yes | No |
| Dedicated IPs | Free ((for senders with 300k+ emails per month)) | Shared IP pools |
| Dedicated IP pools (Dedicated IP pools allow large senders to utilize multiple dedicated IPs with different sending ratios, for different kinds of emails.) | Included with Max Plan | No |
| Bring Your Own IP (We handle the platform, queuing, and management - you provide and control the actual sending server with your own IP addresses. This gives you full IP reputation control while leveraging our infrastructure.) | Yes | No |
| Deliverability Consultation | Included with Max Plan | Consultancy (Pro) |

### Security

| Feature | AhaSend | Spotler SendPro |
| --- | --- | --- |
| TempMail protection (Protect your systems from registrations with temporary email addresses.) | Yes ((optional)) | No |
| Typo protection (Prevent TypoSquatting attacks by rejecting emails sent to recipients with typos in their email address domain (e.g. @gmil.com instead of @gmail.com)) | Yes ((optional)) | No |
| Toxic recipient protection (Prevent bad actors from signing up on your platform using email addresses from toxic domains) | Yes ((optional)) | No |
| Reputation Shield (Protect your sender reputation by automatically filtering toxic domains, temporary emails, and typo-squatted addresses.) | Yes | No |
| Two-Factor Authentication (Account security with time-based one-time passwords) | Yes | Yes |
| Single Sign-On (Enable team login through your organization’s identity provider with OpenID Connect SSO.) | Available from $80 (€72 / £65)/mo plan (Max) | No |
| Automatic DKIM Key Rotation (We automatically rotate DKIM keys, enhancing security.) | Yes | No |
| IP Allow List (Restrict API keys to specific source IPs (IPv4/IPv6 or CIDR), so a leaked key is useless from an address you haven't authorized.) | Yes ((included in all plans)) | No |

### Compliance

| Feature | AhaSend | Spotler SendPro |
| --- | --- | --- |
| European hosting & ownership | Yes | Yes |
| GDPR DPA | Yes (signable) | Yes |
| ISO 27001 | Yes | Yes |

## Why teams choose AhaSend

Built purely for transactional email

### Transparent by default

AhaSend publishes its pricing and full feature list openly, so you can size up the fit before you ever create an account.

### Usage-based pricing

Start on a free tier, then scale with pay-as-you-go pricing on paid plans, so your cost tracks what you actually send.

### No feature gate

Roles, audit log, alerts, multi-source sending and routing are available to every account not split across plan tiers.

### Dedicated IPs included

Get dedicated sending IPs at volume without a separate add-on, so you control your own sender reputation.

### High deliverability

Purpose-built transactional infrastructure with automatic DKIM rotation, suppression handling, and Reputation Shield.

### Migrate in minutes

Connect over the same SMTP relay and REST API model swap your credentials and go, no re-architecture.

_Try AhaSend_

## Transactional email, transparent from day one

See the features and pricing up front, then start on the free tier whenever you are ready.

- [Get Started Free](https://dash.ahasend.com/user/register)
- [Pricing](https://ahasend.com/pricing)

_Free plan available, no credit card required_