Watchtower
https://watchtower-api.com
● down
data-social-apis
Deterministic sanctions & export-control name screening for AI agents. Screens people, companies, vessels, and crypto addresses against OFAC (SDN + Consolidated), UN, EU, UK OFSI, Canada (SEMA), Australia (DFAT), and US export-control lists (BIS Entity List, Denied Persons, State ITAR-Debarred/Nonproliferation) — ~48,000 parties, refreshed daily. Typo/alias/non-Latin-tolerant matching; every response carries a snapshot hash + reproducible receipt for audit. $0.02/name via x402 (USDC on Base), MCP, or API key. No signup. ([Docs](https://watchtower-api.com/docs) | [MCP](https://watchtower-api.com/mcp) | [Discovery](https://watchtower-api.com/.well-known/x402.json))
Category
data-social-apis
Chains
—
Price
—
Quality grade
How grading works
E
10.0 / 100
capped at D while down
Availability
0.0 / 40
Endpoint did not respond
Payability
10.0 / 20
- ✓ Answers a real HTTP 402 challenge
- ✗ Publishes a /.well-known/x402 descriptor
- ✗ Payment address on record
- ✗ Settlement network declared
- ✗ Price declared
Demand
0.0 / 40
No payment address on record, so demand cannot be measured
Owner verified
0.0 / 3
Nobody has claimed this listing yet
Endpoint last checked 14 h ago.
Availability and on-chain demand are both re-probed daily; the grade
updates automatically on the next pass.
How to call
cURL · x402-fetch / x402-axios will auto-handle 402
curl -sS -i -X GET https://watchtower-api.com # expect HTTP 402 Payment Required (price advertised in the 402 response)
Listed in
Directories this entry was found in.
awesome-x402