---
title: "Latest NBER working papers (RSS feed)"
method: GET
path: "/api/v1/research/nber/papers/latest"
tags: ["Research"]
---

# Latest NBER working papers (RSS feed)

`GET /api/v1/research/nber/papers/latest`

Latest working papers published by the National Bureau of Economic Research (NBER), parsed from the RSS 2.0 feed at `back.nber.org/rss/new.xml`. Each paper carries the NBER identifier (`w{N}`), title, author list, canonical link, optional publication timestamp, and the full abstract. The upstream feed contains roughly 30 items spanning the most recent 5-7 business days; NBER does not publish `<pubDate>` on feed items, so the `pub_date` field is usually null and callers should order by `paper_id` when recency matters.

## Query parameters

- `limit` integer — Maximum number of papers to return. The NBER RSS feed contains approximately 30 items.

## Response `200`

List of the latest NBER working papers, ordered as published in the feed.

- EnvelopeNberPapersLatestPayload
  - `data` NberPapersLatestPayload, required — Latest NBER working papers from the RSS 2.0 feed.
    - `source_url` string, required — Upstream NBER RSS URL used to produce this response.
    - `count` integer, required — Number of papers returned in this response.
    - `papers` NberPaper[], required — Latest NBER working papers, ordered as published in the feed (typically newest first).
      - `paper_id` string, nullable — NBER working paper identifier in the `w{N}` format (e.g. `w35074`). Null only when the upstream item lacks a parseable paper link.
      - `title` string, required — Paper title, with the author list suffix stripped out. NBER packs authors into the `<title>` element after ' -- by '; Sugra separates them into the `authors` array.
      - `authors` string[], required — List of author names in the order published by NBER. May be empty if the upstream title lacks the ' -- by ' separator.
      - `link` string, nullable — Canonical NBER paper page URL. The trailing `#fromrss` fragment is preserved as published upstream.
      - `pub_date` string, nullable — Publication timestamp (ISO 8601 UTC). NBER's RSS 2.0 feed does not populate `<pubDate>` in practice, so this field is usually null and consumers should order by `paper_id` instead.
      - `summary` string, nullable — Paper abstract as published in the RSS `<description>` element. Plain text with unicode escapes resolved.
  - `meta` SugraMeta, required — Metadata attached to every /api/v1/* response envelope.
    - `endpoint` string, required — Requested endpoint path.
    - `data_time` string, required — ISO 8601 UTC timestamp of the source data, not of the request.
    - `response_time` string, required — ISO 8601 UTC timestamp when this response was produced.
    - `provider` string, required — API name and version.
    - `source` string, nullable — Identifier of the primary upstream source used for this response.
    - `attribution` string, nullable — Human-readable attribution mandated by an upstream source (e.g. a securities regulator or self-regulatory organization). Present only on responses whose source requires the owner and source to be clearly identified. Do not remove or alter it when using the response.
    - `fallback_used` boolean, nullable — True when the primary source failed and a fallback produced the data.
    - `fallback_chain` string[], nullable — Ordered list of sources attempted, in the order they were tried.
    - `cached` boolean, nullable — True when this response was served from the internal cache.
    - `stale` boolean, nullable — True when the cached response was returned after the upstream rate-limited or errored. Clients can use this to detect degraded data.

## Other responses

- `401` — Missing or invalid `x-api-key` header.
- `422` — Validation Error
- `429` — Daily rate limit exceeded. Check `X-RateLimit-Reset` for the next window.
- `503` — Upstream source is temporarily unavailable. Retry after a short delay.

---

[API](https://skmtc.net/sugra/apis/sugra-api.md) · [All operations](https://skmtc.net/sugra/apis/sugra-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/sugra/sugra-api/versions/4e2740743eb4/schema)