Space Markets Index (SMI)
Space Markets Index (SMI), published by Space Markets, Inc.: orbital launch activity from public data. Weekly 2026 launch series, per-launch records (rocket, mission, payloads, mass status) and SMI prints, as small JSON. Each read costs $0.
Go to this service →Our latest check (2026-10-11)
- Answering
- Yes — valid x402 payment terms
- Time to answer
- 391 ms
- Price
- $0.010 per call
- Paying buyers, last 30 days
- 0 (directory's own records)
- Paid calls, last 30 days
- 0
- Category
- Payments and on-ramps
- Address
- https://smx.space/smi-api/launch/2026-221
Accuracy
Accuracy scores are published once a seller has enough paid checks against an independent record (at least 7 scored answers over at least 7 days). Until then no score is shown, and a missing score is never a pass.
For agents
This page as JSON: /sellers/b1dfa1f3552d.json. Paid lookup by address: GET /api/seller?resource=… ($0.001, x402).