Zigzag signed mapping API

Maps signed integers to/from the unsigned zigzag encoding used by protobuf (0,-1,1,-2 -> 0,1,2,3) at 32- or 64-bit width. Answers 'What is the zigzag encoding of -1?', 'Decode this zigzag-encoded value.'

Price$0.01per request

MethodPOST

Route/v1/encoding/zigzag

StatusLive

MIME typeapplication/json

Rate limit120/minute

Cache0s public

zigzagprotobufsignedencodedecodeintegervarintencoding

API URLhttps://x402.hexl.dev/v1/encoding/zigzag

Integration docs

Example request

{
  "value": -1
}

Example response

{
  "operation": "encode",
  "bits": 64,
  "input": "-1",
  "output": "1",
  "interpretation": "Zigzag encode (64-bit): -1 -> 1."
}

Input schema

{
  "type": "object",
  "required": [
    "value"
  ],
  "properties": {
    "value": {
      "type": [
        "number",
        "string"
      ],
      "examples": [
        -1
      ]
    },
    "operation": {
      "type": "string",
      "enum": [
        "encode",
        "decode"
      ]
    },
    "bits": {
      "type": "number",
      "enum": [
        32,
        64
      ]
    }
  }
}

Output schema

{
  "type": "object",
  "additionalProperties": true
}