ContextSignal — Single Signal
Pay-per-call endpoint from AleLabs. Price per call: $0.250 (USDC, x402).
Proof
endpoint (shown as text, not a link, to avoid accidental calls):
https://api.contextsignal.ai/signal/ES/full“HTTP 402 + x402 v2 challenge: amount 250000 atomic units of USD Coin (= $0.25)”
Details
- Price per call
- $0.250 (USDC, x402)
- Provider
- AleLabs
- Protocol
- x402 · USDC (Base)
- Method
- GET
- Price basis
- USDC amount in the unpaid HTTP 402 payment challenge (first accepted option)
- Last probed
- 2026-10-17