Web3 Signals API
https://web3-signals-api-production.up.railway.app/signal
● down
trading
AI-powered crypto signal intelligence for 20 assets. Fuses whale activity, derivatives positioning, technical analysis, narrative momentum, and market data into scored signals with LLM insights.
Category
trading
Chains
base, eip155:8453
Price
$0.0010 USDC / call
Quality grade
How grading works
D
28.7 / 100
capped at D while down
Availability
0.0 / 40
Endpoint did not respond
Payability
20.0 / 20
- ✓ Answers a real HTTP 402 challenge
- ✓ Publishes a /.well-known/x402 descriptor
- ✓ Payment address on record
- ✓ Settlement network declared
- ✓ Price declared
Demand
8.7 / 40
3 distinct payers, 9 USDC transfers in the last 30 days
Owner verified
0.0 / 3
Nobody has claimed this listing yet
Endpoint last checked 9 h ago.
On-chain activity last read 11 d ago.
Availability and on-chain demand are both re-probed daily; the grade
updates automatically on the next pass.
Paid endpoints
2 resource(s) advertised by this origin.
https://web3-signals-api-production.up.railway.app/signal
https://web3-signals-api-production.up.railway.app/signal/%7Basset%7D
How to call
cURL · x402-fetch / x402-axios will auto-handle 402
curl -sS -i -X GET https://web3-signals-api-production.up.railway.app/signal # expect HTTP 402 Payment Required (about $0.001/call)
/.well-known/x402.json
https://web3-signals-api-production.up.railway.app/.well-known/x402
Listed in
Directories this entry was found in.
awesome-x402
x402scan