{"uid":"cap_2PP05CTnro3cQnyA-jkZe","slug":"palindrome-number-checker-ace869c0","name":"Palindrome Number Checker","description":"Check if a given number is a palindrome.","url":"https://sovereign-x402-zeta.vercel.app/api/v1/sequence/palindrome?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method","bodyType","body"],"properties":{"body":{"type":"object","properties":{},"additionalProperties":true},"type":{"type":"string","const":"http"},"method":{"enum":["POST","PUT","PATCH"],"type":"string"},"bodyType":{"enum":["json","form-data","text"],"type":"string"}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_vVDgb1sdDcwTgzOTx5TfA","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Checks whether a given number is a palindrome (reads the same forwards and backwards).","exampleAgentPrompt":"Can you check if 12321 is a palindrome number?","exampleUseCases":[{"title":"Validate palindrome in number puzzle","prompt":"I'm working on a math puzzle — can you check whether 1221 is a palindrome number?"},{"title":"Filter palindromes from a list","prompt":"I have the number 98789 — tell me if it's a palindrome before I add it to my special list."},{"title":"Verify palindrome for coding kata","prompt":"For my coding challenge, I need to confirm: is the number 10201 a palindrome?"}],"resultDescription":"Returns a result indicating whether the submitted number is a palindrome (reads identically forwards and backwards), typically as a boolean or equivalent true/false response.","failureModes":["Missing or malformed 'body' in the request returns a validation error","Non-numeric input may return an error or unexpected result","Negative numbers may not be considered palindromes depending on implementation","Payment failure or insufficient USDC balance blocks the request"],"whenToPreferThis":"Use this endpoint when you need a quick, paid microservice check for palindrome property on a number, especially in an agentic workflow that already uses x402 micropayment infrastructure. Prefer it over rolling your own logic when you want a verified, external computation step in your pipeline.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-11T06:46:47.713Z","isFirstParty":false,"canonicalSlug":"palindrome-number-checker-ace869c0"}