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POST
/
tools
/
string-utils
/
capitalize-first-letter
Capitalize First Letter
curl --request POST \
  --url https://api.dirtroad.dev/tools/string-utils/capitalize-first-letter \
  --header 'Content-Type: application/json' \
  --header 'X-Payment: <api-key>' \
  --data '{
  "str": "<string>"
}'
{
  "original": "<string>",
  "result": "<string>"
}

Authorizations

​
X-Payment
string
header
required

x402 blockchain payment authorization header containing signed EIP-3009 Transfer with Authorization

Body

application/json
​
str
string
required

Input string to process

Response

String with first letter capitalized

​
original
string

Original input string

​
result
string

Processed result string