# Apollo Signal pricing

Apollo Signal is a transactional email API and delivery platform. Pricing is billed monthly with no annual contract. Prices and capabilities were last reviewed on July 31, 2026 and may change.

## Spark
- Price: Free
- Included volume: 3,000 emails/month
- Daily limit: 100 sends/day
- Includes: 1 project, 1 domain, REST API, SMTP relay, signed webhooks, open and click tracking, SPF, DKIM, DMARC, and 30-day retention
- Card required: No

## Ignite
- Price: $15/month
- Included volume: 50,000 emails/month
- Daily limit: No daily send limit
- Overage: $0.50 per 1,000 emails
- Includes everything in Spark, plus 5 projects, 10 domains, custom tracking domain, read engagement, deliverability advisor, real-time event stream, and 90-day retention

## Growth
- Price: $35/month
- Included volume: 150,000 emails/month
- Overage: $0.42 per 1,000 emails
- Includes everything in Ignite, plus 10 projects, 25 domains, 25 API keys, 50 AI credits/month, and send-time optimisation

## Pulse
- Price: $65/month
- Included volume: 300,000 emails/month
- Overage: $0.36 per 1,000 emails
- Includes everything in Growth, plus multi-region sending and 100 AI credits/month

## Scale
- Price: $180/month
- Included volume: 1,000,000 emails/month
- Overage: $0.30 per 1,000 emails
- Includes everything in Pulse, plus 100 projects, 250 domains, 250 AI credits/month, and 180-day retention

## Pay as you go
- Price: $0.40 per 1,000 emails
- Commitment: No monthly commitment
- Includes: No daily send limit, 5 projects, 10 domains, 10 webhooks, REST API, SMTP relay, custom tracking domain, read engagement, scroll depth, deliverability advisor, real-time event stream, 20 AI credits/month, and 90-day log retention

## Enterprise
- Price: Custom pricing for committed volume and compliance requirements
- Includes: Unlimited emails, projects, and domains; dedicated IPs; multi-region sending; SAML single sign-on; unlimited AI credits; 365-day log retention; priority support; uptime SLA; and custom contract

## Related pages
- Product: https://apollodeploy.com/signal
- Comparison: https://apollodeploy.com/signal/compare
- Bring Your Own Cloud: https://apollodeploy.com/signal/byok