Api Endpoint

TradeAPEX related concepts

Related concepts for a word or short phrase, from a self-derived semantic model (no transformer). Measured class-separation AUC 0.846. Unknown words are not charged.

Open interactive test console

Offering

Provider: tradeapex.ai
Method: GET
Offering type: Api Endpoint
Transport type: http
Category: General Utilities
Delivery: Not provided
Pricing model: Not provided
x402 version: 2

Endpoint context

URL: https://tradeapex.ai/x402/related
MIME type: application/json
First seen: 2026-10-16T01:51:30.109Z
Last seen: 2026-11-02T04:15:13.410Z
Tags: semantics, NLP, related-words, query-expansion

Website

Payment pricing

x402 payment terms are the authoritative price for calling this endpoint.

Payment option 1: 0.02 USDC
Atomic price: 20000 · Network: eip155:8453 · Asset: USDC · Scheme: exact

Raw x402 terms

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "20000",
    "payTo": "0x22d957d6b9c1eb43c9d246187d6a86876fb5ff61"
  }
]

Observed health

Status: Healthy
Latest latency: 36 ms
Average latency: 38 ms
HTTP status: 402
Last checked: 2026-11-02T04:15:13.404Z
Reachability: 100% over 14 checks

Latency is measured to the first response headers. A reachable result does not verify response accuracy or merchant identity.

Input schema

{
  "type": "object",
  "properties": {
    "type": {
      "type": "string",
      "const": "http"
    },
    "method": {
      "type": "string",
      "enum": [
        "GET",
        "HEAD",
        "DELETE"
      ]
    },
    "queryParams": {
      "type": "object",
      "properties": {
        "term": {
          "type": "string",
          "description": "a word or short phrase, English, letters only"
        },
        "k": {
          "type": "integer",
          "minimum": 1,
          "maximum": 25,
          "description": "number of related concepts"
        }
      },
      "required": [
        "term"
      ]
    }
  },
  "required": [
    "type",
    "method"
  ],
  "additionalProperties": false
}

Output schema

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "type": "object",
  "properties": {
    "input": {
      "type": "object",
      "properties": {
        "type": {
          "type": "string",
          "const": "http"
        },
        "method": {
          "type": "string",
          "enum": [
            "GET",
            "HEAD",
            "DELETE"
          ]
        },
        "queryParams": {
          "type": "object",
          "properties": {
            "term": {
              "type": "string",
              "description": "a word or short phrase, English, letters only"
            },
            "k": {
              "type": "integer",
              "minimum": 1,
              "maximum": 25,
              "description": "number of related concepts"
            }
          },
          "required": [
            "term"
          ]
        }
      },
      "required": [
        "type",
        "method"
      ],
      "additionalProperties": false
    }
  },
  "required": [
    "input"
  ]
}