{"slug":"api-delx-ai-api-v1-x402-is-prime-cac7aa","title":"Primality check","host":"api.delx.ai","method":"POST","resource":"https://api.delx.ai/api/v1/x402/is-prime","category":"market","description":"Primality check. Call for teaching demos, ID heuristics, or lightweight number filters (bounded integers). Returns whether n is prime with a clear boolean field. $0.001 USDC per successful call via x402 on Base or Solana—deterministic first-party JSON, no API key, no subscription, and nothing is bil","price_listed":0.001,"price_asked":0.001,"state":"answering","state_label":"Answering","checks_7d":1,"answered_7d":1,"latency_ms_median":1351,"reported_calls_30d":1,"reported_payers_30d":1,"networks":["eip155:8453","solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp"],"badge":"unverified","paid_checks_7d":0,"paid_ok_7d":0,"example_input":{"body":{"n":42},"bodyType":"json","method":"POST","type":"http"},"output_schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"additionalProperties":false,"properties":{"body":{"additionalProperties":true,"properties":{"n":{"description":"Integer input (see tool summary for allowed range).","type":"integer"}},"required":["n"],"type":"object"},"bodyType":{"const":"json","type":"string"},"method":{"enum":["POST"],"type":"string"},"type":{"const":"http","type":"string"}},"required":["type","bodyType","body"],"type":"object"},"output":{"properties":{"example":{"additionalProperties":true,"description":"Deterministic structured JSON result from first-party execution. Invalid inputs return a structured error object and are not billed.","properties":{"is_prime":{"type":"boolean"},"n":{"type":"integer"},"schema":{"type":"string"}},"type":"object"},"type":{"const":"json","type":"string"}},"required":["type","example"],"type":"object"}},"required":["input","output"],"type":"object"},"history":[{"day":"2026-09-24","reachable":true,"status":402,"valid_402":true,"asked_usdc":0.001,"price_match":true,"latency_ms":1351,"error":null}],"description_full":"Primality check. Call for teaching demos, ID heuristics, or lightweight number filters (bounded integers). Returns whether n is prime with a clear boolean field. $0.001 USDC per successful call via x402 on Base or Solana—deterministic first-party JSON, no API key, no subscription, and nothing is billed on structured validation errors.","last_updated":"2026-09-19T15:57:23.624Z","schemes":["exact"]}