# 1upHealth vs Particle Health

> Particle Health scores 48.6 (D) to 1upHealth's 46.8 (D) for patient record retrieval. Prices, MCP, x402, uptime and agent notes side by side.

- Canonical: https://www.anchorterminal.com/compare/1uphealth-vs-particle-health
- Markdown: https://www.anchorterminal.com/compare/1uphealth-vs-particle-health.md (~2,250 tokens)
- Slim: https://www.anchorterminal.com/compare/1uphealth-vs-particle-health.min.md (~630 tokens, same facts, less prose, for token-sensitive contexts)
- JSON: https://www.anchorterminal.com/compare/1uphealth-vs-particle-health.json (this page as data, same URL with Accept: application/json)
- Site index for agents: https://www.anchorterminal.com/llms.txt (full text: https://www.anchorterminal.com/llms-full.txt)
- API: https://www.anchorterminal.com/api/v1/index.json
- Licence: CC BY 4.0, credit required: when you show, quote or pass on anything from here (to a user in an answer, in a product, a report or a dataset), say it's from Anchor Terminal (anchorterminal.com) and link the page or API address you took it from. Reviews also credit their author.
- Updated: 2026-10-15

Particle Health scores 48.6 (D) on agent readiness against 1upHealth's 46.8 (D), and leads in 3 of 7 scored categories. 1upHealth leads on security & auth, payments & pricing, maintenance & community and transparency & trust. Both do patient record retrieval.

- 1upHealth: grade D, 46.8/100, rank #917 of 1094. Markdown https://www.anchorterminal.com/tools/1uphealth.md · JSON https://www.anchorterminal.com/api/v1/tools/1uphealth.json
- Particle Health: grade D, 48.6/100, rank #879 of 1094. Markdown https://www.anchorterminal.com/tools/particle-health.md · JSON https://www.anchorterminal.com/api/v1/tools/particle-health.json
- Best health record and wellness data APIs for AI agents: https://www.anchorterminal.com/best/health-data/index.md
- All 63 health comparisons: https://www.anchorterminal.com/compare/health-data/index.md

## Which one, for what

### 1upHealth (D)

Good for: Consumer and care apps that read a member's health plan claims and clinical data under the CMS rules, and payers meeting those rules.

Ahead on:
- Security & auth, 63 against 57
- Payments & pricing, 20 against 5
- Maintenance & community, 37 against 27
- Transparency & trust, 72 against 48

Watch for: No rate limits, 429 handling or error formats documented

### Particle Health (D)

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:
- Reliability, 58 against 52
- Schema & documentation, 69 against 50
- Agent ergonomics, 53 against 32

Watch for: Credentials come from a Particle representative, and the 'play for free' sign-up domain did not resolve


## Score by category

| Category | Weight | 1upHealth | Particle Health | Edge |
| --- | --- | --- | --- | --- |
| Reliability | 16% (20 this run) | 52 | 58 | Particle Health +6 |
| Performance | 10%, pending | pending | pending | not scored in this run |
| Schema & documentation | 13% (16.2 this run) | 50 | 69 | Particle Health +19 |
| Agent ergonomics | 13% (16.2 this run) | 32 | 53 | Particle Health +21 |
| Security & auth | 14% (17.5 this run) | 63 | 57 | 1upHealth +6 |
| Payments & pricing | 10% (12.5 this run) | 20 | 5 | 1upHealth +15 |
| Task success | 10%, pending | pending | pending | not scored in this run |
| Maintenance & community | 7% (8.8 this run) | 37 | 27 | 1upHealth +10 |
| Transparency & trust | 7% (8.8 this run) | 72 | 48 | 1upHealth +24 |
| Negative events | ≤15 | 0 | 0 | |
| **Total** | | **46.8 · D** | **48.6 · D** | |

## Facts side by side

| Fact | 1upHealth | Particle Health |
| --- | --- | --- |
| Kind | HTTP API | HTTP API |
| Vendor | 1upHealth, Inc. | Particle Health, Inc. |
| Hosted endpoint | no (local only) | no (local only) |
| Transports | HTTP | HTTP |
| Auth | OAuth | OAuth |
| Pricing | Paid | Paid |
| x402 | no | no |
| Licence | Proprietary service under 1upHealth's Terms of Service (effective 1 August 2024) | Proprietary service under customer agreements. The public terms of use (effective 15 October 2020) cover the website only |
| Read-only variant documented | no | no |
| llms.txt | yes | yes |
| Terms last updated | no date given | 2020-10-15 |
| Privacy policy last updated | 2026-06-25 | 2026-07-29 |
| Customer content may train models | not found in the text | not found in the text |
| Terms restrict automated access | not found in the text | yes |
| Terms restrict benchmarking | yes | not found in the text |
| Terms or service can change without notice | not found in the text | yes |
| Arbitration or class-action waiver | not found in the text | yes |

## Verdicts

**1upHealth.** Self-serve Dev Portal sandbox clients and a demo health plan let an app test the CMS Patient Access, Provider Access and Payer-to-Payer FHIR APIs, backed by HITRUST and SOC 2 Type 2. No rate limits, error formats or dated releases are documented, and the Patient Access OAuth step needs the member in a browser.

**Particle Health.** Particle queries Carequality, CommonWell, eHealth Exchange and state HIEs for a patient and returns FHIR R4B, flat data or C-CDA, with project-scoped 60-minute tokens and OpenAPI fragments per endpoint. Credentials come through a representative, the free sign-up link was dead on 14 October 2026, and rate limits, SLA and changelog are unpublished.

## Before you call either

### 1upHealth

1. Hand the Patient Access sign-in to the member, who must authorise in the health plan's auth app
2. Exchange the authorisation code within five minutes, and refresh before the 15-minute token expires
3. Email payer-patient-access@1up.health with the client ID to get the app synced to the demo environment
4. Expect only claims and coverage resources from some payers, and read /r4/metadata first

### Particle Health

1. Pass `projects/<project_id>` as the scope when requesting a token, and request a new one every 60 minutes
2. Poll Get Query Status, or wait for the query-complete webhook, before reading FHIR or flat data
3. Back off on 429, since limits change with system load
4. Pass continuation tokens back verbatim when paging
5. Use the published synthetic patients in sandbox, and stay under 500 queries a day

## Questions

### Which is better for AI agents, 1upHealth or Particle Health?

Particle Health scores 48.6 (D) on agent readiness against 1upHealth's 46.8 (D), and leads in 3 of 7 scored categories. 1upHealth leads on security & auth, payments & pricing, maintenance & community and transparency & trust.

### Do 1upHealth and Particle Health need an API key?

Both use an OAuth sign-in.

### Can an agent call 1upHealth and Particle Health without installing anything?

No hosted endpoint is listed for 1upHealth. No hosted endpoint is listed for Particle Health.


## For agents

- This comparison as JSON: https://www.anchorterminal.com/compare/1uphealth-vs-particle-health.json, and with the fewest tokens: https://www.anchorterminal.com/compare/1uphealth-vs-particle-health.min.md
- Over MCP at https://www.anchorterminal.com/mcp (no key): `compare_tools {"a": "1uphealth", "b": "particle-health"}`. From a terminal: `anchor compare 1uphealth particle-health`
- Each listing in full: https://www.anchorterminal.com/api/v1/tools/1uphealth.json and https://www.anchorterminal.com/api/v1/tools/particle-health.json

## Other comparisons with 1upHealth or Particle Health

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