{"uid":"cap_-Hm4RL4UQkSCI1v9M0HcT","slug":"numeral-systems-ordinal-converter-fdb019d9","name":"Numeral Systems Ordinal Converter","description":"Format a non-negative integer as an ordinal — both the suffixed form (21st) and the ordinal words (twenty-first).","url":"https://numeral.openverbs.com/v1/ordinal","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","required":["number"],"properties":{"number":{"type":"integer","maximum":1000000000000000,"minimum":0,"description":"Non-negative integer."}},"additionalProperties":false},"type":{"type":"string","const":"http"},"method":{"enum":["POST"],"type":"string"},"bodyType":{"enum":["json","form-data","text"],"type":"string"}},"additionalProperties":false}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.002","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":"$0.002/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm__oHTuUPHG7FH4DmEpiDZr","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Converts a non-negative integer into its ordinal string representation (e.g., 1 → '1st', 42 → '42nd')","exampleAgentPrompt":"What's the ordinal form of 53? I need it written out like '53rd' for a leaderboard label.","exampleUseCases":[{"title":"Leaderboard position labeling","prompt":"I have a user ranked 12 on our leaderboard — can you give me the ordinal for 12 so I can display it as '12th place'?"},{"title":"Event milestone announcement","prompt":"We're celebrating our 1000th customer — can you convert 1000 to its ordinal form so I can write '1000th customer' in the announcement?"},{"title":"Dynamic sports bracket display","prompt":"A player just finished in position 3 in the tournament — give me the ordinal for 3 so I can show '3rd' on the bracket UI."}],"resultDescription":"Returns the ordinal string representation of the submitted integer (e.g., 1 → '1st', 2 → '2nd', 11 → '11th', 101 → '101st'), suitable for direct use in UI labels, text generation, or announcements.","failureModes":["Number outside allowed range (0–1,000,000,000,000,000) returns a validation error","Non-integer or negative values rejected by schema validation","Missing 'number' field in body results in a 400-level error","Network or service downtime returns a 5xx error"],"whenToPreferThis":"Choose this endpoint when you need a fast, reliable, pay-per-call conversion of a single integer to its ordinal suffix (1st, 2nd, 3rd, etc.) without setting up a local library or NLP pipeline. Ideal for serverless agents and workflows that occasionally need ordinal formatting without bundling string-manipulation dependencies.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T18:30:23.759Z","isFirstParty":false}