# Particle Health Flat API

**Canonical:** https://apis.io/apis/particle-health/particle-health-flat-api/  
**Provider:** Particle Health — https://apis.io/providers/particle-health/  
**Base URL:** https://api.particlehealth.com  
**Documentation:** https://docs.particlehealth.com/

Particle Health Flat API is one of 17 APIs that [Particle Health](https://apis.io/providers/particle-health/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. Tagged areas include Flat. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, an API reference, authentication docs, a getting-started guide, and rate-limit docs.

Flat (normalized columnar) clinical data domains.

## Operations (7)

| Method | Path | Summary |
|---|---|---|
| GET | `/deltas/flat/{particle_patient_id}` | Collect Deltas Flat Datasets |
| GET | `/deltas/flat/{particle_patient_id}/{resource_type}/{resource_id}` | Get Deltas Flat Resource |
| POST | `/flat` | Submit Flat Patient |
| GET | `/flat/{id}` | Get Flat Patient |
| GET | `/flat/{id}/collect-data` | Collect Flat Datasets |
| GET | `/flat/{patient_id}/{resource_type}/{resource_id}` | Get Flat Resource |
| GET | `/api/v2/patients/{particle_patient_id}/flat` | Collect v2 Flat Datasets |

## Machine-readable artifacts (19)

- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/particle-health/refs/heads/main/openapi/particle-health-flat-api-openapi.yml
- **Documentation** — https://docs.particlehealth.com/
- **APIReference** — https://docs.particlehealth.com/reference/getting-started
- **Authentication** — https://docs.particlehealth.com/docs/auth-and-keys
- **GettingStarted** — https://docs.particlehealth.com/docs/getting-started-for-developers
- **Sandbox** — https://docs.particlehealth.com/docs/test-patient-sandbox
- **Postman** — https://www.postman.com/particlehealth/particle-health-api
- **LLMs** — https://docs.particlehealth.com/llms.txt
- **Webhooks** — https://docs.particlehealth.com/docs/webhook-event-notifications
- **RateLimits** — https://docs.particlehealth.com/docs/rate-limiting-and-quotas
- **SupportedFHIRResources** — https://docs.particlehealth.com/docs/supported-fhir-resources
- **Networks** — https://docs.particlehealth.com/docs/networks
- **DataNormalization** — https://docs.particlehealth.com/docs/data-normalization
- **DataDeduplication** — https://docs.particlehealth.com/docs/data-deduplication
- **DataProvenance** — https://docs.particlehealth.com/docs/data-provenance
- **PurposesOfUse** — https://docs.particlehealth.com/docs/purposes-of-use
- **DelegationOfAuthority** — https://docs.particlehealth.com/docs/delegation-of-authority
- **Spectral** — https://raw.githubusercontent.com/api-evangelist/particle-health/refs/heads/main/spectral/particle-health-spectral.yml
- **Overlay** — https://raw.githubusercontent.com/api-evangelist/particle-health/refs/heads/main/overlays/particle-health-flat-api-overlay.yaml

## Other Particle Health APIs (12)

- [Particle Health Authentication API](https://apis.io/apis/particle-health/particle-health-authentication-api/)
- [Particle Health Batches API](https://apis.io/apis/particle-health/particle-health-batches-api/)
- [Particle Health CCDA API](https://apis.io/apis/particle-health/particle-health-ccda-api/)
- [Particle Health Deltas API](https://apis.io/apis/particle-health/particle-health-deltas-api/)
- [Particle Health Documents API](https://apis.io/apis/particle-health/particle-health-documents-api/)
- [Particle Health FHIR API](https://apis.io/apis/particle-health/particle-health-fhir-api/)
- [Particle Health Files API](https://apis.io/apis/particle-health/particle-health-files-api/)
- [Particle Health HL7v2 API](https://apis.io/apis/particle-health/particle-health-hl7v2-api/)
- [Particle Health NetworkParticipants API](https://apis.io/apis/particle-health/particle-health-networkparticipants-api/)
- [Particle Health Notifications API](https://apis.io/apis/particle-health/particle-health-notifications-api/)
- [Particle Health Patients API](https://apis.io/apis/particle-health/particle-health-patients-api/)
- [Particle Health Projects API](https://apis.io/apis/particle-health/particle-health-projects-api/)

## Tags

Flat

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/particle-health/particle-health-flat-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/particle-health/.