Find answers to common questions, troubleshooting guides, and support resources to get the most out of SparkMailr.
New to SparkMailr? Start here with our quick setup guides and tutorials.
SDK guides, code examples, and integration tutorials for all supported languages.
Common issues, error messages, and step-by-step solutions to get you back on track.
Manage your account, billing, and subscription settings.
SparkMailr is an enterprise-grade email API platform that allows developers to send transactional emails at scale. It provides a simple REST API and SDKs for 7 programming languages, along with comprehensive analytics, delivery tracking, and 99.9% uptime SLA.
You can get started in under 5 minutes! Simply sign up for a free account, get your API key, and start sending emails using our REST API or any of our 7 SDKs. No credit card required for the free tier.
SparkMailr is designed for transactional emails including welcome emails, password resets, order confirmations, notifications, and other automated messages. We focus on transactional emails to ensure high deliverability rates.
Yes! Our free tier includes 10,000 emails per month, all 7 SDK languages, email tracking & analytics, REST API access, and email validation. Perfect for getting started and testing our platform.
We provide official SDKs for Python, Node.js/TypeScript, PHP, Ruby, Java, C# .NET, and Go. All SDKs are production-ready with comprehensive documentation, testing coverage, and enterprise-grade features.
Our API returns standard HTTP status codes and detailed error messages. We recommend implementing exponential backoff for retries. All our SDKs include built-in retry logic with configurable parameters.
Yes! We support webhooks for real-time event notifications including delivered, bounced, opened, clicked, and complained events. You can configure webhook URLs in your dashboard and receive JSON payloads for each event.
Our default rate limit is 100 requests per minute per API key. Enterprise customers can request higher limits. Rate limit information is included in response headers, and we provide clear error messages when limits are exceeded.
We bill monthly based on your plan and actual usage. You're charged at the beginning of each month, and any overage fees are added to your next bill. All plans include our complete SDK suite.
Yes! You can upgrade or downgrade your plan at any time. Changes take effect immediately, and we'll prorate the billing accordingly. No long-term contracts required.
You'll be charged $0.50 per 1,000 additional emails. We'll notify you when you're approaching your limit so you can upgrade if needed. You can set up usage alerts in your dashboard.
We offer a 30-day money-back guarantee for all paid plans. If you're not satisfied, contact us for a full refund within 30 days of your first payment. No questions asked.
We take security seriously. All data is encrypted in transit and at rest, we're SOC 2 compliant, GDPR ready, and maintain strict access controls. We never store email content longer than necessary for delivery.
Store your API keys securely using environment variables or secret management systems. Never commit API keys to version control. You can regenerate keys anytime in your dashboard, and we provide key rotation recommendations.
Yes, Enterprise customers can configure IP whitelisting for additional security. This restricts API access to specific IP addresses or ranges, providing an extra layer of protection for your account.
We're SOC 2 Type II compliant, GDPR ready, and follow industry best practices for data protection. We undergo regular security audits and maintain detailed compliance documentation available upon request.
Our support team is here to help you succeed. Get in touch with us through any of these channels.