# Oystehr API

**Canonical:** https://apis.io/apis/oystehr/oystehr-api/  
**Provider:** Oystehr — https://apis.io/providers/oystehr/  
**Base URL:** https://extensions.fhir.oystehr.com  
**Documentation:** https://docs.oystehr.com/oystehr/services/iam/m2m-clients

Oystehr API is published by [Oystehr](https://apis.io/providers/oystehr/) on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. This API exposes 6 JSON Schema definitions. The published artifact set on APIs.io includes an OpenAPI specification and 6 JSON Schemas.

Oystehr API as documented publicly: 19 operations. Contract generated from the documentation by API Evangelist (2026-10-27); not the provider's own document.

## Operations (19)

| Method | Path | Summary |
|---|---|---|
| GET | `/fhir/sid/us-npi` | GET /fhir/sid/us-npi |
| POST | `/oauth/token` | POST /oauth/token |
| GET | `/r4/Group/[id]/$export` | GET /r4/Group/[id]/$export |
| GET | `/r4/Practitioner/2419a78e-4c0a-411d-b9e2-90dc081f5efa` | Reference Properties |
| DELETE | `/r4/async-job/{jobid}` | Async FHIR Interactions |
| GET | `/r4/async-job/{jobid}` | Async FHIR Interactions |
| DELETE | `/r4/export/job/[id]` | DELETE /r4/export/job/[id] |
| GET | `/r4/export/job/[id]` | GET /r4/export/job/[id] |
| GET | `/rest/search/current` | GET /rest/search/current |
| POST | `/v1/zambda/your_zambda_id/execute` | POST /v1/zambda/your_zambda_id/execute |
| PATCH | `/v1/zambda/{zambdaid}` | PATCH /v1/zambda/{zambdaId} |
| GET | `/{resourcetype}` | Async FHIR Interactions |
| POST | `/{resourcetype}/_search` | Async FHIR Interactions |
| DELETE | `/{resourcetype}/{id}` | Async FHIR Interactions |
| GET | `/{resourcetype}/{id}` | Async FHIR Interactions |
| PATCH | `/{resourcetype}/{id}` | Async FHIR Interactions |
| PUT | `/{resourcetype}/{id}` | Async FHIR Interactions |
| GET | `/{resourcetype}/{id}/_history` | Async FHIR Interactions |
| GET | `/{resourcetype}/{id}/_history/{versionid}` | Async FHIR Interactions |

## Machine-readable artifacts (8)

- **OpenAPI** — https://artifacts.apis.io/oystehr/openapi/_ae-authored/oystehr-openapi-generated.yml
- **JSONSchema** — https://artifacts.apis.io/oystehr/json-schema/oystehr-get-r4-export-job-id-response-schema.json
- **JSONSchema** — https://artifacts.apis.io/oystehr/json-schema/oystehr-get-r4-group-id-export-response-schema.json
- **JSONSchema** — https://artifacts.apis.io/oystehr/json-schema/oystehr-get-rest-search-current-response-schema.json
- **JSONSchema** — https://artifacts.apis.io/oystehr/json-schema/oystehr-post-v1-zambda-your-zambda-id-execute-response-schema.json
- **JSONSchema** — https://artifacts.apis.io/oystehr/json-schema/oystehr-get-r4-practitioner2419-a78-e4-c0-a411-db9-e290-dc081-f5-efa-response-schema.json
- **JSONSchema** — https://artifacts.apis.io/oystehr/json-schema/oystehr-patch-v1-zambda-zambdaid-request-schema.json
- **APIsJSON** — https://artifacts.apis.io/oystehr/apis.yml

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