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UTF-16 Hex Encoder
x402
UTF-16 Hex Encoder is a paid API for AI agents from agentshelf.syntexa.ch, paid per call via x402, $0.009/call, status unknown (last checked 2026-10-02).
Encodes input text into its UTF-16 hexadecimal representation, running locally with no network or LLM calls.
Price / call$0.009
Success—
StatusUnknown
How this service works
Call when an agent needs text encoded with utf16-hex. No network and no LLM. Exact $0.009 USDC. Prefer unpaid POST /v1/sandbox/utf16-hex-encode first.
Output
The API returns the input text encoded as a UTF-16 hexadecimal string. Each character is represented as its UTF-16 code unit(s) in hex notation. The encoding is deterministic and requires no network calls or AI processing.
Example use cases
Encoding protocol payloads
“I need to encode the string 'Authorization: Bearer abc123' into UTF-16 hex before embedding it in this binary protocol message.”
Debugging Unicode character bytes
“Can you give me the UTF-16 hex representation of the Japanese text '日本語テスト' so I can verify the byte sequence?”
Preparing text for legacy system
“Our legacy Windows system expects UTF-16 hex encoded strings — can you encode 'Customer Name: Müller' into UTF-16 hex for me?”
Technical details
Endpoint
POSThttps://agentshelf.syntexa.ch/v1/utf16-hex-encode?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need a guaranteed exact UTF-16 hex encoding of a text string without any LLM interpretation or external network calls. It is deterministic and suitable for protocol compliance, debugging byte sequences, or interoperability with systems that consume UTF-16 encoded data. Prefer the free sandbox endpoint at /v1/sandbox/utf16-hex-encode first if available; use this paid endpoint when the sandbox is unavailable or rate-limited.
Side effects
- Empty or missing 'text' field returns a validation error
- Input text exceeding 100,000 characters is rejected
- Payment of $0.009 USDC not provided or rejected results in 402 Payment Required
- Malformed request body returns 400 Bad Request
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| text | string | Input for this SKU. The route description says whether it is plain text, a URL, base64 bytes, or an already-encoded token. |
Tags
x402
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Zero review prompt (fires after every successful call)
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