# Decagon vs Zendesk AI: who uses which

On usedby, 43 companies use Decagon and 27 use Zendesk AI. No company is listed with both yet. Counts include every proof level, job-post signals included. Companies named on both have a confirmed or observed line on each side. Latest check 2026-10-07: 66 of 70 public lines checked.

## Side by side

|  | [Decagon](https://www.usedby.ai/tools/decagon.md) | [Zendesk AI](https://www.usedby.ai/tools/zendesk-ai.md) |
|---|---|---|
| Public customers | 43 | 27 |
| Confirmed | 23 | 14 |
| Observed | 20 | 12 |
| Signals (job posts) | 0 | 1 |
| Top industries of customers | Fintech & Payments (4), DevTools & Infrastructure (3), HealthTech & Digital Health (3) | DevTools & Infrastructure (4), Travel & Hospitality (3), E-commerce & D2C (2) |
| Category | Customer Service Automation | Customer Service Automation |
| Integrations | Salesforce, Intercom, Zendesk, Confluence, Contentful, Kustomer, Amazon Connect, RingCentral, Zendesk Sunshine ([decagon.ai](https://decagon.ai/product/integrations), checked 2026-10-04) | Shopify, Microsoft Teams, Pipedrive, Klaviyo, GIPHY ([zendesk.com](https://www.zendesk.com/marketplace/), checked 2026-10-07) |
| Data processing terms | — | A data processing agreement is available. ([zendesk.com](https://www.zendesk.com/trust-center/), checked 2026-10-07) |
| Free trial | — | Free trial or free plan available. ([zendesk.com](https://www.zendesk.com/pricing/), checked 2026-10-07) |

## Published results

Reviewed stories only; usedby did not measure the figures.

- Decagon: [NG.CASH](https://www.usedby.ai/case-studies/ng-cash-decagon.md): **35 additional agents**: “Avoided the need to hire over 35 additional agents while managing growing inquiry volumes” (published 2026-07-28)
- Decagon: [Notion](https://www.usedby.ai/case-studies/notion-decagon.md): **34%**: “ticket resolution time improved up to 34%” (published 2026-07-28)
- Zendesk AI: [IRC-CEO](https://www.usedby.ai/case-studies/irc-ceo-zendesk-ai.md): **56 percent**: “a reduction by more than 56 percent” (published 2026-03-09)
- Zendesk AI: [Babbel](https://www.usedby.ai/case-studies/babbel-zendesk-ai.md): **50 percent**: “more than 50 percent of Babbel’s tickets are automated through AI agents” (published 2026-02-11)

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Source: https://www.usedby.ai/compare/decagon-vs-zendesk-ai · How we check: https://www.usedby.ai/methodology