# Particle Health vs Terra API (slim)

> Terra scores 65.9 (B) to Particle Health's 48.6 (D) for fhir servers. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/particle-health-vs-terra.md (~2,350 tokens) · this version ~680 tokens · JSON https://www.anchorterminal.com/compare/particle-health-vs-terra.json · canonical https://www.anchorterminal.com/compare/particle-health-vs-terra
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-14

Terra API scores 65.9 (B) on agent readiness against Particle Health's 48.6 (D), and leads in every scored category. Both do fhir servers.

- Particle Health: D 48.6, rank #867 of 1076 · https://www.anchorterminal.com/tools/particle-health.min.md
- Terra API: B 65.9, rank #327 of 1076 · https://www.anchorterminal.com/tools/terra.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.
- Terra API, good for A fitness, wellness, insurance or research product whose users connect consumer wearables and apps, and an agent that needs to read one user's sleep, activity or body data through MCP. Ahead on Reliability, 67 against 58; Schema & documentation, 89 against 69; Agent ergonomics, 78 against 53; Security & auth, 65 against 57; Payments & pricing, 20 against 5; Maintenance & community, 75 against 27; Transparency & trust, 56 against 48. Also A hosted endpoint, with nothing to install.

| Category | Particle Health | Terra API |
| --- | --- | --- |
| Reliability (16%) | 58 | 67 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 69 | 89 |
| Agent ergonomics (13%) | 53 | 78 |
| Security & auth (14%) | 57 | 65 |
| Payments & pricing (10%) | 5 | 20 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 27 | 75 |
| Transparency & trust (7%) | 48 | 56 |

| Fact (where they differ) | Particle Health | Terra API |
| --- | --- | --- |
| Vendor | Particle Health, Inc. | Terra Enabling Developers Inc. |
| Hosted endpoint | no (local only) | `https://access.tryterra.co/api/v2/mcp/<user_id>` |
| Transports | HTTP | HTTP, Streamable HTTP |
| Auth | OAuth | OAuth or key |
| Pricing | Paid | Pay per use |
| Licence | Proprietary service under customer agreements. The public terms of use (effective 15 October 2020) cover the website only | Proprietary service under Terra's terms of service. The OpenAPI specs repository is Apache 2.0 |
| Tools exposed | none | 6 |
| Last release | none | 2026-10-13 |
| Terms last updated | 2020-10-15 | 2026-05-01 |
| Privacy policy last updated | 2026-07-29 | 2023-04-20 |
| Terms restrict automated access | yes | not found in the text |
| Terms restrict benchmarking | not found in the text | yes |
| Popularity | none | 13k npm/wk, 11k PyPI/wk |