Omni Terminal turns up to 20 market names or aliases into canonical Hyperliquid symbols to

[
  {
    "scheme": "exact",
    "network": "eip155:84532",
    "payTo": "0x733f40A4FA0cd13d59aBADE04b9eD2e9acAc6457",
    "asset": "0x036CbD53842c5426634e7929541eC2318f3dCF7e",
    "amount": "1000",
    "maxTimeoutSeconds": 300
  },
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "payTo": "0x733f40A4FA0cd13d59aBADE04b9eD2e9acAc6457",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "1000",
    "maxTimeoutSeconds": 300
  }
]

{
  "bazaar": {
    "info": {
      "input": {
        "body": {
          "mentions": [
            "bitcoin",
            "BTC-PERP"
          ],
          "venue": "hyperliquid"
        },
        "bodyType": "json",
        "method": "POST",
        "type": "http"
      },
      "output": {
        "example": {
          "data_as_of": "2026-07-28T11:55:00.000Z",
          "freshness": {
            "age_seconds": 300,
            "data_as_of": "2026-07-28T11:55:00.000Z",
            "max_age_seconds": 1800,
            "status": "fresh"
          },
          "generated_at": "2026-07-28T12:00:00.000Z",
          "product_version": "v1",
          "registry": {
            "historical_as_of_supported": false,
            "snapshot_revision": 1785239700000,
            "temporal_mode": "current",
            "version": "hl_meta_ctx.v1"
          },
          "results": [
            {
              "alternatives": [],
              "asset_id": 0,
              "base": "BTC",
              "canonical_symbol": "hyperliquid:BTC:USDC:perp",
              "confidence": 0.97,
              "dex": "main",
              "input": "bitcoin",
              "market_type": "perp",
              "match_kind": "name_alias",
              "normalized_alias": "BITCOIN",
              "product_supported": true,
              "quote": "USDC",
              "resolution_status": "resolved",
              "settle": "USDC",
              "subscription_key": "BTC",
              "venue": "hyperliquid"
            }
          ],
          "schema": "market_entity_resolution.v1",
          "service": "omni.market_entity_resolution",
          "usage": {
            "mention_count": 1,
            "mention_limit": 20,
            "resolved_count": 1
          },
          "venue": "hyperliquid"
        },
        "type": "json"
      }
    },
    "schema": {
      "$schema": "https://json-schema.org/draft/2020-12/schema",
      "properties": {
        "input": {
          "additionalProperties": false,
          "properties": {
            "body": {
              "additionalProperties": false,
              "properties": {
                "mentions": {
                  "items": {
                    "maxLength": 100,
                    "minLength": 1,
                    "type": "string"
                  },
                  "maxItems": 20,
                  "minItems": 1,
                  "type": "array"
                },
                "venue": {
                  "default": "hyperliquid",
                  "enum": [
                    "hyperliquid"
                  ],
                  "type": "string"
                }
              },
              "required": [
                "mentions"
              ],
              "type": "object"
            },
            "bodyType": {
              "enum": [
                "json",
                "form-data",
                "text"
              ],
              "type": "string"
            },
            "method": {
              "enum": [
                "POST"
              ],
              "type": "string"
            },
            "type": {
              "const": "http",
              "type": "string"
            }
          },
          "required": [
            "type",
            "method",
            "bodyType",
            "body"
          ],
          "type": "object"
        },
        "output": {
          "properties": {
            "example": {
              "type": "object"
            },
            "type": {
              "type": "string"
            }
          },
          "required": [
            "type"
          ],
          "type": "object"
        }
      },
      "required": [
        "input"
      ],
      "type": "object"
    }
  },
  "builder-code": {
    "info": {
      "a": "bc_wttcxbb6"
    },
    "schema": {
      "$schema": "https://json-schema.org/draft/2020-12/schema",
      "additionalProperties": false,
      "properties": {
        "a": {
          "description": "App builder code",
          "pattern": "^[a-z0-9_]{1,32}$",
          "type": "string"
        },
        "s": {
          "description": "Service builder codes",
          "items": {
            "pattern": "^[a-z0-9_]{1,32}$",
            "type": "string"
          },
          "type": "array"
        },
        "w": {
          "description": "Wallet builder code",
          "pattern": "^[a-z0-9_]{1,32}$",
          "type": "string"
        }
      },
      "type": "object"
    }
  }
}

curl "https://omniterminal.app/api/x402/v1/symbols/resolve"
# -> 402 Payment Required, accepts[] lists how to pay
# retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid

const res = await fetch("https://omniterminal.app/api/x402/v1/symbols/resolve");
if (res.status === 402) {
  const { accepts } = await res.json();
  // pay one of accepts[] via an x402 client, then retry with the payment header
}

import httpx
res = httpx.get("https://omniterminal.app/api/x402/v1/symbols/resolve")
if res.status_code == 402:
    accepts = res.json()["accepts"]
    # pay one of accepts[] via an x402 client, then retry with the payment header