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Compare SparkPost and mailboxlayer API 
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At a Glance
Market Segments
Small-Business (49.3% of reviews)
Small-Business (72.7% of reviews)
Entry-Level Pricing
$20 per month
Free Per Month
SparkPost
Star Rating
(73)4.0 out of 5
Market Segments
Small-Business (49.3% of reviews)
Entry-Level Pricing
$20 per month
Browse all 5 pricing plansmailboxlayer API
Star Rating
(11)4.3 out of 5
Market Segments
Small-Business (72.7% of reviews)
Entry-Level Pricing
Free Per Month
Browse all 4 pricing plansSummary
AI Generated Summary
AI-generated. Powered by real user reviews.
- Users report that mailboxlayer API excels in its Ease of Use with a score of 8.8, making it a preferred choice for small businesses looking for straightforward integration, while SparkPost, with a score of 8.6, is slightly less intuitive according to reviewers.
- Reviewers mention that mailboxlayer API offers a Free Entry Level Price, which is particularly appealing for startups and small businesses, whereas SparkPost starts at $20 per month, which may be a barrier for some users.
- G2 users highlight mailboxlayer API's superior Quality of Support with a score of 8.8, indicating that users feel well-supported, while SparkPost's support quality is rated lower at 7.6, leading to some dissatisfaction among its users.
- Users on G2 report that mailboxlayer API provides better Custom Unsubscribe options with a score of 8.5, allowing for more tailored user experiences, while SparkPost's features in this area are less flexible, scoring only 7.1.
- Reviewers mention that mailboxlayer API has a more favorable Product Direction score of 7.7, suggesting a positive outlook for future updates, compared to SparkPost's score of 8.1, which indicates a slightly more stable but less innovative trajectory.
- Users say that mailboxlayer API's Template Creation feature, rated at 7.0, is simpler and more user-friendly, while SparkPost's template capabilities are more complex, which can be overwhelming for new users.
Pricing
Entry-Level Pricing
SparkPost
STARTER
$20
per month
OVERAGE:
$1.00 / thousand
- 50,000 emails/month
- OVERAGE: $1.00 / thousand
mailboxlayer API
Free Plan
Free
Per Month
- 100 Requests / Monthly
- Free for Lifetime
- No Credit Card Required
Free Trial
SparkPost
Free Trial is available
mailboxlayer API
Free Trial is available
Ratings
Meets Requirements
8.2
63
9.0
10
Ease of Use
8.6
62
8.8
10
Ease of Setup
8.3
41
Not enough data
Ease of Admin
7.9
41
Not enough data
Quality of Support
7.7
59
8.8
10
Has the product been a good partner in doing business?
7.5
40
Not enough data
Product Direction (% positive)
8.1
61
7.7
10
Features by Category
Administration
7.1
23
Not enough data
6.5
18
Not enough data
8.6
20
Not enough data
7.1
18
Not enough data
7.8
28
Not enough data
8.1
30
Not enough data
Integrations
8.5
27
Not enough data
8.5
26
Not enough data
8.9
29
Not enough data
7.7
22
Not enough data
Platform
8.9
27
Not enough data
8.5
26
Not enough data
8.7
26
Not enough data
8.2
30
Not enough data
8.5
29
Not enough data
8.2
30
Not enough data
8.3
25
Not enough data
8.5
32
Not enough data
Diagnosis
6.1
11
Not enough data
6.3
13
Not enough data
6.7
13
Not enough data
7.2
12
Not enough data
Tracking
8.3
14
Not enough data
7.2
10
Not enough data
7.1
11
Not enough data
7.9
11
Not enough data
6.8
13
Not enough data
Reporting
5.7
12
Not enough data
5.6
12
Not enough data
6.1
12
Not enough data
6.0
13
Not enough data
Agentic AI - Email Deliverability
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Generative AI
Not enough data
Not enough data
Not enough data
Not enough data
Agentic AI - Email Verification
Not enough data
Not enough data
Agentic AI - Email Tracking
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Analytics
8.4
17
Not enough data
8.4
17
Not enough data
8.5
12
Not enough data
Customizations
8.1
16
Not enough data
8.3
13
Not enough data
8.1
14
Not enough data
7.8
13
Not enough data
8.2
11
Not enough data
Generative AI
Not enough data
Not enough data
Categories
Categories
Shared Categories
SparkPost and mailboxlayer API are categorized as Transactional Email
Unique Categories
SparkPost is categorized as Email Deliverability and Email Tracking
mailboxlayer API is categorized as Email Verification
Reviews
Reviewers' Company Size
SparkPost
Small-Business(50 or fewer emp.)
Mid-Market(51-1000 emp.)
Enterprise(> 1000 emp.)
mailboxlayer API
Small-Business(50 or fewer emp.)
Mid-Market(51-1000 emp.)
Enterprise(> 1000 emp.)
Small-Business
(50 or fewer emp.)
Mid-Market
(51-1000 emp.)
Enterprise
(> 1000 emp.)
Reviewers' Industry
Internet
19.7%
Information Technology and Services
11.3%
Computer Software
9.9%
Financial Services
8.5%
Higher Education
4.2%
Other
46.5%
Financial Services
27.3%
Marketing and Advertising
18.2%
Retail
9.1%
Higher Education
9.1%
Health, Wellness and Fitness
9.1%
Other
27.3%
Alternatives
Discussions
How much does SparkPost cost?
1 Comment
Official Response from SparkPost
SparkPost offers a free test account and a variety of plans to fit sending needs based on volume, starting at $20 / month.Read more
How can I stay aware of outages?
1 Comment
Official Response from SparkPost
We’re proud of SparkPost’s uptime and reliability. We’ve built a fully cloud-based system that scales instantly—and with full elasticity and redundancy. That...Read more
How do I find out what happened to my messages?
1 Comment
Official Response from SparkPost
Detailed information on message delivery and engagement is available through real-time webhooks. In addition, information is available on a pull-basis...Read more
mailboxlayer API has no discussions with answers
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