incident.io vs Serval: who uses which
Customers, public proof and the companies that use both.
On usedby, 48 companies use incident.io and 26 use Serval. 5 companies use both, including Notion, Ramp, and Vercel. incident.io leads among the DevTools & Infrastructure companies on usedby that use either tool, Serval among the Artificial Intelligence companies.Latest check Oct 7, 2026: 74 of 74 public lines checked. Counts include every proof level, job-post signals included. Companies named on both have a confirmed or observed line on each side.
Who uses incident.io, Serval, or both
Every company with a public proof for at least one of the two tools.
43
use only incident.io
5
companies use both
21
use only Serval
43 companies use only incident.io, 21 use only Serval and 5 use both, out of the 69 companies on usedby that use at least one of them.
Where it lands
Newest customers
No new customer since tracking started on October 7, 2026.
Where it lands
Newest customers
No new customer since tracking started on October 7, 2026.
Who uses both
Companies with a confirmed or observed line on both tools.
| Company | First public proof, Serval |
|---|---|
 Notion | — |
 Ramp | — |
 Vercel | — |
 Navan | — |
 Legora | Job post, Jul 2026 |
By industry
Which tool the companies on usedby use, by industry. Shares of the companies on usedby that use incident.io, Serval or both: a share of the companies on usedby, not of the market.
incident.io onlyBothServal only
More common with incident.io
- DevTools & Infrastructure5 of the 7 DevTools & Infrastructure companies on usedby that use either tool use incident.io, 2 of them alongside Serval.
- Fintech & Payments6 of the 7 Fintech & Payments companies on usedby that use either tool use incident.io, 1 of them alongside Serval.
- Sales Tech & CRM4 of the 5 Sales Tech & CRM companies on usedby that use either tool use incident.io.
More common with Serval
- Artificial Intelligence3 of the 5 Artificial Intelligence companies on usedby that use either tool use Serval.
Source: confirmed and observed usedby lines. Job-post signals, the weakest proof level, are left out of these shares.
Side by side
Facts from our data and from each vendor's public pages. Each line says where it comes from.
incident.ioServalWhat customers report
Results as the vendor or the customer published them, with the source and the date.
incident.io
3.5 hours saved per P1/P2 post-mortem
Trainline
Vendor case study, incident.io, published Jun 25, 2024
I’d estimate that we save at least 3 hours onboarding each new oncaller
Giant Swarm
Vendor case study, incident.io, published Feb 1, 2021
Serval
Mercor has onboarded 4,000+ contractors with this automation.
Mercor
Vendor case study, serval.com, captured Oct 7, 2026
Serval now automates 95% of Together AI's just-in-time access requests
Together.ai
Vendor case study, serval.com, captured Oct 7, 2026
Questions about incident.io and Serval
Which is used more, incident.io or Serval?
incident.io has more customers on usedby: 48 against 26 for Serval. incident.io leads among the DevTools & Infrastructure companies on usedby that use either tool, Serval among the Artificial Intelligence companies.
Do companies use both incident.io and Serval?
Yes. 5 companies use both on usedby, including Notion, Ramp, and Vercel.
Who uses incident.io?
48 companies on usedby, each with the public page that shows it. See who uses incident.io.
Who uses Serval?
26 companies on usedby, each with the public page that shows it. See who uses Serval.
How does usedby count customers?
A company counts when a public page shows it: a vendor's customer page, a case study, a press release or a job post, most saved with a dated capture. Every line is a customer, at one of three proof levels: confirmed, observed or signal (a job post, the weakest). A company is named as using both tools when its lines on both are confirmed or observed.