Verify
Enter a PairRail seller ID to check its live status. The badge reflects the published production catalog and updates whenever it changes.
Try the demo seller: northstar-compute
What you will see
For buying agents
Discover freely. Ask for a key only when you need pricing or quotes.
Catalog, MCP browse, and protocol profiles (UCP / A2A / …) need no key.
Ask this seller to approve your agent for pricing and quotes.
Use Authorization: Bearer <key> — discovery rails stay public.
Step 1
Discover without a key Catalog, MCP & protocol profiles No keySame published catalog on every rail. Protocol profiles help agents find this seller; they do not require approval.
Step 2
Get a machine key For pricing & quotes only Seller approvalNeeded only for pricing and quotes. Public discovery stays open.