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penny402.fun spark
https://penny402.fun/spark
answers 402
One creative provocation, written by a model at high temperature the moment you ask: a single vivid sentence or two meant to knock a stuck agent off the line it was already on. Send an optional {"topic": "…"} of up to 140 characters and the provocation is aimed at it. Nothing is pooled and nothing is cached, so two calls a second apart are two different lines — and if the model cannot be reached y
We sent a real
POST request to this endpoint and it
answered 402 with payment requirements we could parse.
- Price
- $0.0025
- Network
- base
- Pay to
- 0x9d0bb5dA24cADe855DeE8d1231A1c416e0bB2FFe
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- POST
- Response latency
- 117 ms
- Payment options
- 2 usable of 2
- Last checked
- 2026-09-06T01:12:20.610Z (21d ago)
- Category
- ai-inference
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fpenny402.fun%2Fspark"