All Other Professional, Scientific, and Technical Services — NAICS 541990 opportunity feed

New and changed federal contract opportunities in NAICS 541990 (All Other Professional, Scientific, and Technical Services), sourced from the public SAM.gov daily extract and delivered as webhooks and RSS.

Free demo feed

https://api.samhooks.com/v1/feeds/demo/541990.rss

Demo feeds are public: 10 most-recent items, delayed 24 hours. Subscribers get real-time delivery, keyword and set-aside filtering, and 100-item feeds.

Get it in real time

curl -X POST https://api.samhooks.com/v1/filters \
  -H "Authorization: Bearer $TOKEN" \
  -H "Content-Type: application/json" \
  -d '{"naics": ["541990"], "set_asides": [], "keywords": [], "webhook_url": "https://example.com/hook"}'

Quickstart · $19/mo, 10 filters · RSS docs

Related NAICS feeds

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