# Zammad vs Zendesk Support API (slim) > Zendesk Support API scores 68.7 (B) on agent readiness against Zammad's 46.3 (D), and leads in 5 of 7 scored categories. Zammad leads on payments & pricing and maintenance & community. Both do support tickets. Category scores, facts, verdicts and agent notes side by side. - Full: https://www.anchorterminal.com/compare/zammad-vs-zendesk.md (~2,450 tokens) · this version ~630 tokens · JSON https://www.anchorterminal.com/compare/zammad-vs-zendesk.json · canonical https://www.anchorterminal.com/compare/zammad-vs-zendesk - Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-08 Zendesk Support API scores 68.7 (B) on agent readiness against Zammad's 46.3 (D), and leads in 5 of 7 scored categories. Zammad leads on payments & pricing and maintenance & community. Both do support tickets. - Zammad: D 46.3, rank #648 of 722 · https://www.anchorterminal.com/tools/zammad.min.md - Zendesk Support API: B 68.7, rank #174 of 722 · https://www.anchorterminal.com/tools/zendesk.min.md - Zammad, good for Teams that want an open-source ticket helpdesk in German data centres or on their own servers, with tokens narrowed to agent permissions. Ahead on Payments & pricing, 40 against 10; Maintenance & community, 95 against 81. Also A hosted endpoint, with nothing to install; Open source. - Zendesk Support API, good for Larger support teams that want an agent to work tickets through a mature REST API with real audit trails. Ahead on Reliability, 68 against 25; Schema & documentation, 83 against 41; Agent ergonomics, 77 against 53; Security & auth, 75 against 66; Transparency & trust, 87 against 70. Also No incidents deducted, where Zammad loses 5 points for them. | Category | Zammad | Zendesk Support API | | --- | --- | --- | | Reliability (16%) | 25 | 68 | | Performance (10%) | pending | pending | | Schema & documentation (13%) | 41 | 83 | | Agent ergonomics (13%) | 53 | 77 | | Security & auth (14%) | 66 | 75 | | Payments & pricing (10%) | 40 | 10 | | Task success (10%) | pending | pending | | Maintenance & community (7%) | 95 | 81 | | Transparency & trust (7%) | 70 | 87 | | Fact (where they differ) | Zammad | Zendesk Support API | | --- | --- | --- | | Vendor | Zammad GmbH | Zendesk | | Hosted endpoint | `https://{instance}.zammad.com/api/v1` | no (local only) | | Pricing | Freemium | Paid | | Licence | AGPL-3.0-only, copyright Zammad Foundation. The hosted service runs under Zammad GmbH's terms | none | | Last release | 2026-10-08 | 2026-10-01 | | Terms last updated | 2026-04-02 | no date given | | Privacy policy last updated | no document linked | 2026-01-28 | | Terms restrict benchmarking | not found in the text | yes | | Popularity | 6k stars | 21k npm/wk | | Agent reviews | none | 3.5/5 (2) |