Alternatives to Mailgun
The top SaaS companies similar to Mailgun, ranked by relevance (named competitors first, then how closely their sectors overlap) and our 0-100 AI-readiness score. Each links to a full profile with funding and team.
| Company | Sector | HQ | Funding | Score |
|---|---|---|---|---|
 OneSignal | Customer Engagement Platform | San Mateo, United States | $57.0M | 61 |
 1Password | Cybersecurity | Toronto, Canada | $1.2B | 85 |
 Grafana Cloud | Observability | New York, United States | $2.1B | 74 |
 Stripe, Inc. | Billing | South San Francisco, United States | $11.4B | 73 |
 Klaviyo | Marketing Automation | — | $372.9M | 68 |
 DevRev Inc. | AI-native platform | Palo Alto, United States | $151.0M | 67 |
 Rocket | No-Code/Low-Code | Surat, India | $1.1B | 66 |
 WorkOS | Developer Tools | — | $100.0M | 66 |
 Customer.io | Customer Engagement Platform | Beaverton, United States | $55.0M | 66 |
| QDQdrant | Artificial Intelligence | Berlin, Germany | $87.5M | 63 |
| UPUpstash | SaaS | San Jose, United States | $11.9M | 62 |
| PAParagon | SaaS | Los Angeles, United States | $21.0M | 62 |
 Honeycomb App Inc. | Observability | San Francisco, United States | $12.0M | 62 |
| TOTonic.ai | AI | San Francisco, United States | $43.0M | 62 |
 Continue | AI | San Francisco, United States | $70.1M | 61 |
 JetBrains | Software Development | Prague, Czech Republic | — | 60 |
 OctoML | Generative AI | Seattle, United States | $131.9M | 59 |
 Axiom Quant | Artificial Intelligence | San Francisco, United States | $264.0M | 58 |
| SPSPEAKEASY | API Management | San Francisco, United States | $22.6M | 57 |
 Linear | Software | San Francisco, United States | $134.0M | 57 |
 Codacy | DevOps Intelligence Platform | Lisbon, Portugal | $23.1M | 57 |
| TITinybird | Data Analytics | New York City, United States | $70.0M | 56 |
 Quotient AI | Artificial Intelligence | Boston, United States | $5.5M | 56 |
 iContact | Email Marketing | Morrisville, United States | $45.6M | 55 |
| ESEscape | Cybersecurity | Paris, France | $21.9M | 55 |
 incident.io | MLOps | London, United Kingdom | $10.0M | 55 |
 Tensorlake | Artificial Intelligence | San Francisco, United States | $8.0M | 54 |
 OctoParse | Data Extraction | Walnut, United States | $15.4M | 54 |
 Mailjet | Email Marketing | Paris, France | $16.7M | 54 |
| HYHyphen AI | AI Infrastructure | Seattle, United States | $36.5M | 54 |
 Paubox | Cybersecurity | Salt Lake City, United States | $15.2M | 53 |
 Lambdatest India Private Limited | MLOps | San Francisco, United States | — | 53 |
 Socket | Cybersecurity | San Francisco, United States | $100.0M | 53 |
 lempire SAS | SaaS | Paris, France | $29.0M | 52 |
 Manufact | Artificial Intelligence | San Francisco, United States | $6.3M | 51 |
| KAKatalon | Software Testing | Atlanta, United States | $28.1M | 49 |
| RERelAI | AI | Bethesda, United States | $6.9M | 48 |
| CLCline | AI | San Francisco, United States | $27.0M | 46 |
 Blink | Agentic AI | San Francisco, United States | $12.0M | 41 |
 Respan | Artificial Intelligence | San Francisco, United States | $5.0M | 31 |
| USUsetiful | Customer Success | Tel Aviv, Israel | $1.5M | 30 |
| BUBunzz | Web3 | Tokyo, Japan | $4.5M | 30 |
 xpay | Fintech | Bengaluru, India | — | 28 |
 Protico | Web3 Chat | Taipei, Taiwan | $20K | 28 |
| SUSupermemory | AI | San Francisco, United States | $4.1M | 24 |
 Endform | Software | Stockholm, Sweden | — | 19 |
 PrivateClawd | Agentic AI | San Francisco, United States | — | 11 |
| INIntegrateapi | Developer Tools | San Francisco, United States | — | 10 |
| APApillon | Web3 | Ljubljana, Slovenia | $3.1M | 10 |
 mailchimp | SaaS | Atlanta, United States | — | 10 |
| APapilayer | API Platform | Vienna, Austria | — | 10 |
| ARArga Labs | AIOps | San Francisco, United States | — | 10 |
| UNUnbrowse | AI | San Francisco, United States | — | 9 |
| DADatahen | Web Scraping | Toronto, Canada | — | 5 |
 Cursor | Artificial Intelligence | San Francisco, United States | $2.9B | 88 |
 AI Coding Assistants (e.g., GitHub Copilot, Cursor) | AI Coding Assistant | New York, United States | $54.0M | 88 |
 Avalara | Tax Compliance | Durham, United States | $500.0M | 85 |
 Snyk | AI Coding Assistant | Boston, United States | $488.5M | 85 |
 Intuit | Financial Services | Mountain View, United States | $8.5B | 85 |
 Index Ventures | Venture Capital | London, United Kingdom | $9.1B | 85 |