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agent.connskill.com v1 keyword-difficulty
https://agent.connskill.com/v1/keyword-difficulty
answers 402
SEO ranking difficulty (0-100) for up to 1000 keywords — how hard it is to rank on Google page one
We sent a real
POST request to this endpoint and it
answered 402 with payment requirements we could parse.
- Price
- $0.05
- Network
- base
- Pay to
- 0x43B85AE58f0A2505c710Bc715d6f3EB16b1f63dE
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- POST
- Response latency
- 156 ms
- Payment options
- 1 usable of 1
- Last checked
- 2026-09-06T01:19:23.183Z (2h ago)
- Category
- other
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fagent.connskill.com%2Fv1%2Fkeyword-difficulty"