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X402 Checkers Best Move Engine
x402
X402 Checkers Best Move Engine is a paid API for AI agents from api.x402checkers.com, paid per call via x402, $0.005000/call, status unknown (last checked 2026-09-15).
Returns the best move and evaluation metadata for a given American checkers board position using engine analysis at configurable depth
Price / call$0.005000
Success—
StatusUnknown
How this service works
Request a recommended move for an American checkers position. POST JSON { "pdn": "<PDN position>", "depth": optional integer 1-12 (default 8) }. Response includes the best move in long notation and evaluation metadata.
Output
A JSON response containing the recommended best move in long notation (e.g. '16-20') along with evaluation metadata such as position score and analysis depth used
Example use cases
Example prompt
“I'm playing American checkers and the current board position in PDN is '[FEN "B:W18,24,27,28,K10,K15:B12,16,20,K9,K11,K19"]' — what's the best move I should play, using depth 10 analysis?”
Technical details
Endpoint
POSThttps://api.x402checkers.com/api/bestmoveWhen to prefer
Use this endpoint when you need a fast, authoritative engine recommendation for an American checkers (8x8 draughts) position encoded in PDN notation, especially when you need configurable search depth. Ideal for building checkers AI assistants, training tools, or game analysis features.
Side effects
- Invalid PDN format returns error — position string must be valid American checkers PDN
- Depth out of range (below 1 or above 12) may return validation error
- Malformed JSON body causes 400 Bad Request
- Payment failure (insufficient USDC) causes x402 payment required response
- Extremely complex positions at high depth may time out
Tags
x402
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