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POST
/
tools
/
string-utils
/
substring
Extract Substring
curl --request POST \
  --url https://api.dirtroad.dev/tools/string-utils/substring \
  --header 'Content-Type: application/json' \
  --header 'X-Payment: <api-key>' \
  --data '
{
  "str": "<string>",
  "startIndex": 1,
  "endIndex": 1
}
'
{
  "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
​
startIndex
integer
required
Required range: x >= 0
​
endIndex
integer
Required range: x >= 0

Response

Extracted substring

​
original
string

Original input string

​
result
string

Processed result string