# Currency and Number to Words API, Free | ClipTen

> Free URLs that write any amount in words, in lakh and crore or million and billion, with exchange rates updated daily. No key, no sign-up, plain text or JSON.

URL: https://clipten.com/calc
Updated: 2026-10-01
About ClipTen: https://clipten.com/llms.txt

ClipTen (https://clipten.com/) Free tools (https://clipten.com/tools) Calculator API

## Currency and number to words API

Plain web addresses that write any amount out in words, in lakh and crore or in million and billion. Rates are updated daily. No key needed.

### Currency to words

Converts an amount at the day’s mid-market rate and writes it in words the way that country counts: lakh and crore for rupees, million and billion for dollars and euros, man and oku for yen.

GET /calc/currency-to-words?amount=USD+3+million&to=INROpen (https://clipten.com/calc/currency-to-words?amount=USD+3+million&to=INR)

| Parameter | What to send |
| amount | A number, with an optional currency and unit: 3m, 3 million, 2.5 crore, 12 lakh, 1.2bn, 500k, ₹10 lakh |
| from | Currency code, when the amount has none. Default USD |
| to | One to five currency codes, comma separated: INR,EUR,JPY |
| format | json for JSON. Plain text if left out |

#### Answer

3,000,000.00 USD (Three million US dollars)

= 28,79,91,846.00 INR
In words: Twenty-eight crore seventy-nine lakh ninety-one thousand eight hundred forty-six Indian rupees
Short: 28.8 crore Indian rupees
Million/billion: Two hundred eighty-seven million nine hundred ninety-one thousand eight hundred forty-six Indian rupees (287.99 million Indian rupees)
Rate: 1 USD = 95.997282 INR

Rates from ExchangeRate-API (https://www.exchangerate-api.com), updated 2026-10-01T00:02:31.000Z. Mid-market rates, for reference; a bank's rate will differ a little.
See it on a page: https://clipten.com/tools/currency-to-words?amount=3000000&from=USD&to=INR

Free tool by ClipTen (clipten.com) — copy up to ten things and paste any of them with Ctrl + V + a number.
Same answer as JSON

{
"amount": {
"currency": "USD",
"name": "US Dollar",
"amount": "3000000.00",
"formatted": "3,000,000.00 USD",
"words": "Three million US dollars",
"short": "3 million US dollars",
"system": "international"
},
"results": [
{
"currency": "INR",
"name": "Indian Rupee",
"amount": "287991846.00",
"formatted": "28,79,91,846.00 INR",
"words": "Twenty-eight crore seventy-nine lakh ninety-one thousand eight hundred forty-six Indian rupees",
"short": "28.8 crore Indian rupees",
"system": "indian",
"international": {
"words": "Two hundred eighty-seven million nine hundred ninety-one thousand eight hundred forty-six Indian rupees",
"short": "287.99 million Indian rupees"
},
"rate": 95.997282
}
],
"rates": {
"source": "ExchangeRate-API",
"sourceUrl": "https://www.exchangerate-api.com",
"updated": "2026-10-01T00:02:31.000Z"
},
"page": "https://clipten.com/tools/currency-to-words?amount=3000000&from=USD&to=INR"
}

Example worked out with rates from 2026-10-01.

### Number to words

Writes any number up to 30 digits in both systems at once, with the commas in the right places for each.

GET /calc/number-to-words?n=25000000Open (https://clipten.com/calc/number-to-words?n=25000000)

| Parameter | What to send |
| n | A number: 25000000, 3.5 million, 12 lakh, 1,25,000 |
| format | json for JSON. Plain text if left out |

#### Answer

25000000

International: 25,000,000
twenty-five million
Short: 25 million

Indian (lakh, crore): 2,50,00,000
two crore fifty lakh
Short: 2.5 crore

See it on a page: https://clipten.com/tools/number-to-words?n=25000000

Free tool by ClipTen (clipten.com) — copy up to ten things and paste any of them with Ctrl + V + a number.

### Exchange rates

Every rate against one US dollar, as JSON. 158 currencies, from ExchangeRate-API, updated daily.

GET /calc/ratesOpen (https://clipten.com/calc/rates)

{
"base": "USD",
"updated": "2026-10-01T00:02:31.000Z",
"source": "ExchangeRate-API",
"rates": {
"USD": 1,
"EUR": 0.881813,
"INR": 95.9973,
"…": "…"
}
}

### Good to know

| Cost | Free. No key, no sign-up. |

| Format | Plain text, or JSON with format=json. UTF-8. |

| Limit | 120 requests a minute from one address. More gets 429. |

| Errors | 400 input it can’t read, with a hint. 503 rates briefly unavailable. |

| Browsers | Open to any site (CORS *). |

| Rates | Mid-market, for reference. A bank’s rate will differ a little. |

| AI assistants | ChatGPT, Claude, Perplexity and others can open these addresses and read the answer. The list is also in llms.txt (https://clipten.com/llms.txt). |

| Short help | /calc/help (https://clipten.com/calc/help), as plain text. |

Prefer a page? The same calculators: currency to words (https://clipten.com/tools/currency-to-words), number to words (https://clipten.com/tools/number-to-words), million to crore (https://clipten.com/tools/million-to-crore).