generated: '2026-09-21'
method: searched
generator: extract-docs-artifacts.py (local)
source: https://developers.lseg.com/en/article-catalog/article/how-expand-chain-ric-using-tick-history-rest-api-python
sources:
- https://developers.lseg.com/en/article-catalog/article/how-expand-chain-ric-using-tick-history-rest-api-python
- https://developers.lseg.com/en/article-catalog/article/filtering-realtime-news-with-rdp-filters
- https://developers.lseg.com/en/article-catalog/article/lseg-data-library-for-python--news-pagination
- https://developers.lseg.com/en/api-catalog/app-studio/app-studio-web-sdk/quickstart
idempotency:
  coverage: none
  evidence: The provided pages do not describe any idempotency key or mechanism for write operations.
pagination:
  style: cursor
  params:
  - cursor
  response_fields:
  - meta.next
  - meta.prev
  evidence: News headlines endpoint returns a `meta.next` cursor string that can be passed as the `cursor` query parameter to retrieve the next
    page of results.
authentication: 'Bearer token passed in the `Authorization` header (e.g., `Authorization: <Your Authorization Token>`).'
docs: https://developers.lseg.com/en/article-catalog/article/how-expand-chain-ric-using-tick-history-rest-api-python