Head to head · FHIR servers · October 2026 research run
Metriport Medical API vs ROOK
ROOK scores 54.9 (C) on agent readiness against Metriport Medical API's 50.1 (D), and leads in 3 of 7 scored categories. Metriport Medical API leads on agent ergonomics and security & auth. Both do fhir servers.
Best health record and wellness data APIs for AI agents · All 63 health comparisons
Which one, for what
Best for US care providers and digital health companies that need a patient's network records as FHIR with webhooks.
Ahead on
- Agent ergonomics, 70 against 49
- Security & auth, 41 against 32
Also in its favour
- Open source
Watch for
Every API key has full access, including destructive operations, with no scopes
ROOK C
Best for A wellness, insurance, corporate wellness or remote monitoring product that wants normalised wearable data pushed to its backend, with plan prices it can see up front.
Ahead on
- Reliability, 75 against 45
- Schema & documentation, 74 against 65
- Payments & pricing, 25 against 5
Watch for
Credentials are one client UUID and secret per environment, sent by Basic auth, with no scopes or rotation documented
Score by category
| Category | Weight this run | Metriport Medical API | ROOK | Edge |
|---|---|---|---|---|
| Reliability | 16%20 | 45 | 75 | ROOK +30 |
| Performance | 10%pending | pending | pending | not scored in this run |
| Schema & documentation | 13%16.2 | 65 | 74 | ROOK +9 |
| Agent ergonomics | 13%16.2 | 70 | 49 | Metriport Medical API +21 |
| Security & auth | 14%17.5 | 41 | 32 | Metriport Medical API +9 |
| Payments & pricing | 10%12.5 | 5 | 25 | ROOK +20 |
| Task success | 10%pending | pending | pending | not scored in this run |
| Maintenance & community | 7%8.8 | 74 | 73 | Metriport Medical API +1 |
| Transparency & trust | 7%8.8 | 56 | 55 | Metriport Medical API +1 |
| Negative events | ≤15 | 0 | 0 | |
| Total | D 50.1/100 | C 54.9/100 |
Facts side by side
| Fact | Metriport Medical API | ROOK |
|---|---|---|
| Kind | HTTP API | HTTP API |
| Vendor | Metriport Inc. | Rookeries Development Corp. |
| Hosted endpoint | no (local only) | no (local only) |
| Transports | HTTP | HTTP |
| Auth | API key | API key |
| Pricing | Paid | Paid |
| x402 | no | no |
| Licence | Proprietary hosted service under Metriport's terms of use. The source in metriport/metriport is AGPLv3, with an enterprise directory under its own licence, and the @metriport/api-sdk package on npm is MIT | Proprietary service under ROOK's Terms and Conditions for ROOK services |
| Read-only variant documented | no | no |
| llms.txt | yes | yes |
| Last release | 2026-09-28 | 2026-10-07 |
| Terms last updated | 2024-01-01 | 2026-08-01 |
| Privacy policy last updated | 2023-02-21 | 2026-05-28 |
| Customer content may train models | not found in the text | not found in the text |
| Terms restrict automated access | yes | not found in the text |
| Terms restrict benchmarking | yes | yes |
| Terms or service can change without notice | yes | not found in the text |
| Arbitration or class-action waiver | yes | yes |
| Popularity | 793 stars, 28k npm/wk | none |
Verdicts
Metriport Medical API
One network query pulls a patient's records from HIEs, pharmacies and labs and returns deduplicated FHIR, with per-operation rate limits, RFC 7807 errors and AGPLv3 source. Each API key has full access with no scopes, there are no public prices, and the sandbox opens only after Metriport approves the account.
ROOK
Graded on the REST API. A public OpenAPI file, a free Sandbox from the self-serve portal, published plan prices and a dated changelog. Credentials are one client UUID and secret per environment with no scopes, 429 handling isn't documented, the API is meant for occasional queries rather than bulk reads, and no SOC 2 report or security contact was found.
Before you call either
Metriport Medical API
- Check the
errorsarray after Start Network Query. It returns 2XX even when some sources fail - Wait for
network-query.*webhooks or poll Get Network Query Status before reading consolidated data, which is cached from the last query - Send the resource's
eTaginIf-Matchon updates to avoid overwriting newer data - Keep patient creates under 15 a minute and network queries under 20 a minute per source
- In sandbox, create patients whose first name matches a pre-defined persona to get example records
ROOK
- Send HTTP Basic auth with client_uuid as the username and the secret key as the password, plus a User-Agent header, or the WAF returns 403
- Use https://api.rook-connect.review for Sandbox and https://api.rook-connect.com for production. Each has its own credentials
- Read health data from the data webhook. Use the API only for occasional queries, and stay under 60 requests a minute
- Deduplicate summaries on document_version and datetime. ROOK resends a summary with a higher document_version when it changes
- Call POST /api/v1/user_id/{user_id}/data_sources/revoke_auth to end a connection. Some providers take hours to stop sending data
Questions
Which is better for AI agents, Metriport Medical API or ROOK?
ROOK scores 54.9 (C) on agent readiness against Metriport Medical API's 50.1 (D), and leads in 3 of 7 scored categories. Metriport Medical API leads on agent ergonomics and security & auth.
Do Metriport Medical API and ROOK need an API key?
Both need an API key.
Can an agent call Metriport Medical API and ROOK without installing anything?
No hosted endpoint is listed for Metriport Medical API. No hosted endpoint is listed for ROOK.
Are Metriport Medical API and ROOK open source?
Metriport Medical API is open source (Proprietary hosted service under Metriport's terms of use. The source in metriport/metriport is AGPLv3, with an enterprise directory under its own licence, and the @metriport/api-sdk package on npm is MIT). No open-source release is listed for ROOK.
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Machine-readable
- This page as Markdown
/compare/metriport-vs-rook.md· slim.min.md· JSON.json(or sendAccept: text/markdown) - Each listing in full
/api/v1/tools/metriport.json·/api/v1/tools/rook.json - From a terminal
anchor compare metriport rook(the CLI) - Over MCP
compare_tools {"a": "metriport", "b": "rook"}at/mcp, no key