---
title: "DOI Resolve (x402)"
method: POST
path: "/x402/v2/doi-resolve"
tags: ["x402"]
---

# DOI Resolve (x402)

`POST /x402/v2/doi-resolve`

## Request

- Base URL: `https://api.strale.io`
- URL: `https://api.strale.io/x402/v2/doi-resolve`
- Auth: none required

Resolve a DOI to canonical publication metadata: title, authors, journal, publisher, date, volume/issue/pages, ISSN, licence and citation count. Falls back to DataCite for dataset DOIs.

## Request body

- object
  - `doi` string, required: A bare DOI (10.1038/nature12373), a doi: prefixed string, or any doi.org URL

## Response `200`

Success

- object
  - `doi` string
  - `url` string
  - `title` string
  - `authors` unknown[]
    - unknown
  - `referenced_by_count` number
  - `registration_agency` string

## Other responses

- `402`: Payment required (x402 — pay with USDC on Base)

---

[API](https://skmtc.dev/strale/apis/strale-api-2.md) · [All operations](https://skmtc.dev/strale/apis/strale-api-2/llms.txt) · [OpenAPI document](https://skmtc.dev/strale/apis/strale-api-2/revisions/a5293878cfc6?raw)