# FHIR Device List – HL7 R4 Test Server

> FHIR Device List – HL7 R4 Test Server is a paid API for AI agents from clonecho.builda.company, paid per call via x402, $0.02/call, status unknown (last checked 2026-09-14).

Returns a paginated list of FHIR R4 Device resources from the public HL7 FHIR R4 test server, filtered by a query parameter.

## Facts

- Endpoint: POST https://clonecho.builda.company/x402/s/fhir-device-list
- Price: $0.02/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-14
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/fhir-device-list-hl7-r4-test-server-dfc5e8de
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_alyVqE5jK0Qawzgdy-sod

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability fhir-device-list-hl7-r4-test-server-dfc5e8de -d '<json body>'
```

Example prompt: Can you pull me a page of FHIR Device resources from the HL7 R4 test server? Search for 'infusion pump' and give me the results in JSON.

## When to prefer this

Use this endpoint when you need to retrieve or explore FHIR R4 Device resources from the public HL7 test server for development, testing, or demonstration purposes. Ideal for healthcare interoperability workflows, FHIR integration testing, or quickly sampling medical device data in a standards-compliant JSON format.

## Known failure modes

- Empty result set if the query term matches no Device resources on the test server
- Malformed or missing 'q' parameter may return an error or unfiltered results
- Public test server downtime or rate limiting may cause timeouts or 5xx errors
- Unexpected FHIR resource format changes on the upstream test server may break parsing

## How this service works

Return a page of {q} FHIR Device resources from the public HL7 FHIR R4 test server. Query: ?q= Returns JSON.

## Output

A JSON-formatted page of FHIR R4 Device resources from the public HL7 test server, including device identifiers, types, manufacturers, statuses, and other standard FHIR Device fields, filtered and paginated according to the query parameter.

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/fhir-device-list-hl7-r4-test-server-dfc5e8de/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from clonecho.builda.company](https://www.zero.xyz/host/clonecho.builda.company/llms.txt)