Number to words
numeral.openverbs.com
Convert between integers (1–3999) and Roman numerals in either direction — a digit string is encoded to Roman, a Roman numeral is decoded to an integer. Non-canonical numerals (IIII, IC) are rejected.
- Category
- Service
- Networks
- Base
- Starting price
- $0.002
- Paid calls, 30 days
- 202
Paid endpoints
4 endpoints, sorted by usage. Prices are per request.
| Endpoint | Price | Network | Facilitator | Calls / 30d |
|---|---|---|---|---|
POST/v1/words Spell an integer out in English words, e.g. 123 → "one hundred twenty-three". Negatives are prefixed with "minus". | $0.002 | Base | Coinbase CDP | 52 |
POST/v1/ordinal Format a non-negative integer as an ordinal — both the suffixed form (21st) and the ordinal words (twenty-first). | $0.002 | Base | Coinbase CDP | 51 |
POST/v1/radix Convert an integer between numeral bases 2–36 (binary, octal, hex, base36, …). Arbitrary size via BigInt; digits are case-insensitive and a leading minus is allowed. | $0.002 | Base | Coinbase CDP | 50 |
POST/v1/roman Convert between integers (1–3999) and Roman numerals in either direction — a digit string is encoded to Roman, a Roman numeral is decoded to an integer. Non-canonical numerals (IIII, IC) are rejected. | $0.002 | Base | Coinbase CDP | 49 |
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