---
title: "Paid: Find parts that fit ($0.05 per completed decision; never charged for insufficient_evidence)"
method: POST
path: "/paid/parts"
---

# Paid: Find parts that fit ($0.05 per completed decision; never charged for insufficient_evidence)

`POST /paid/parts`

## Request

- Base URL: `https://tetheredtrust.com/v1`
- URL: `https://tetheredtrust.com/v1/paid/parts`
- Auth: one of:
  - none
  - HTTP bearer

Which parts and accessories fit this model? OEM parts first, then verified alternatives: e.g. a refrigerator's water filter, a printer's cartridges, a camera's lenses and batteries, a tool's batteries, or the RAM, SSDs and chargers that fit a computer.

## Request body

- object
  - `model` string, required: Model number of the device, tool, camera, printer or appliance, e.g. 'GFE28GYNFS', 'ThinkPad T480', 'Canon EOS R6 Mark II', 'Milwaukee 2904-20', 'Brother HL-L2350DW'.
  - `part_type` string: Optional filter, e.g. 'water filter', 'memory', 'ssd', 'charger', 'battery', 'lens', 'ink', 'toner', 'band'.

## Response `200`

OK

- object
  - `check_id` string, required
  - `found` boolean, required
  - `model` unknown
  - `total` number
  - `message` string, required
  - `parts` object[], required
    - `part_id` string
    - `name` string
    - `part_type` string
    - `role` string
    - `verified` boolean
    - `note` string, nullable
    - `caveats` string[]
    - `source_url` string, nullable
  - `notice` string
  - `terms` string

## Other responses

- `400`: Bad input (code bad_request), or plain HTTP (https_required).
- `401`: Missing or invalid API key where one is required.
- `402`: Payment required: pay with x402 or credits and retry. Verified first, settled only for a completed decision.
- `429`: Rate limit; see Retry-After.
- `500`: Our error; retry once.
- `503`: Temporarily unavailable, or paid access is off (paid_access_off).

---

[API](https://skmtc.dev/tetheredtrust/apis/tethered-trust-api.md) · [All operations](https://skmtc.dev/tetheredtrust/apis/tethered-trust-api/llms.txt) · [OpenAPI document](https://skmtc.dev/tetheredtrust/apis/tethered-trust-api/revisions/f737ac591159?raw)