# Particle Health vs Zus Health (slim)

> Zus Health scores 56.6 (C) to Particle Health's 48.6 (D) for patient record retrieval. Prices, MCP, x402, uptime and agent notes side by side.

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- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-15
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Zus Health scores 56.6 (C) on agent readiness against Particle Health's 48.6 (D), and leads in 5 of 7 scored categories. Particle Health leads on security & auth. Both do patient record retrieval.

- Particle Health: D 48.6, rank #879 of 1094 · https://www.anchorterminal.com/tools/particle-health.min.md
- Zus Health: C 56.6, rank #674 of 1094 · https://www.anchorterminal.com/tools/zus-health.min.md
- Particle Health, good for US providers, payers and digital health companies that need a patient's network records as FHIR or flat data, and care-event alerts. Ahead on Security & auth, 57 against 49.
- Zus Health, good for US care organisations and digital health builders that want a shared, continuously refreshed patient profile in FHIR with EHR embedding. Ahead on Reliability, 66 against 58; Schema & documentation, 77 against 69; Agent ergonomics, 67 against 53; Maintenance & community, 64 against 27; Transparency & trust, 59 against 48.

| Category | Particle Health | Zus Health |
| --- | --- | --- |
| Reliability (16%) | 58 | 66 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 69 | 77 |
| Agent ergonomics (13%) | 53 | 67 |
| Security & auth (14%) | 57 | 49 |
| Payments & pricing (10%) | 5 | 5 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 27 | 64 |
| Transparency & trust (7%) | 48 | 59 |

| Fact (where they differ) | Particle Health | Zus Health |
| --- | --- | --- |
| Vendor | Particle Health, Inc. | Zus Health, Inc. |
| Licence | Proprietary service under customer agreements. The public terms of use (effective 15 October 2020) cover the website only | Proprietary service under the Zus Builder Terms of Service (last updated 11 March 2025), the Developer Sandbox Terms and the Zus Business Associate Addendum |
| Last release | none | 2026-10-14 |
| Terms last updated | 2020-10-15 | 2025-03-11 |
| Privacy policy last updated | 2026-07-29 | 2026-06-24 |
| Terms restrict automated access | yes | not found in the text |
| Terms or service can change without notice | yes | not found in the text |
| Arbitration or class-action waiver | yes | not found in the text |