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Add a prefix to a string if it is missing

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Add a prefix to a string if it is missing

with Delx

Use Delx: its Delx Commerce — services for autonomous agents X402 API lets you add a prefix to a string if it is missing in a single step (POST /api/v1/x402/ensure-prefix). capabilities.work can help you get signed up and connected.

  • Can I make sure a value starts with https:// without doubling it?
  • Will the prefix be added twice if the string already has it?
Say it to your AI assistant
  • Ensure {text} starts with {prefix}.
  • Prepend {prefix} to {text} only if it's missing.
For your developer

POST /api/v1/x402/ensure-prefix in Delx Commerce — services for autonomous agents X402 API. Full spec on APIs.io.