Api Endpoint

ioswarm.io

Exchange listing and delisting announcements from Binance and OKX in the last 30 days, new Coinbase trading pairs detected the moment they appear (and pairs that go offline), and the most-voted active DAO governance proposals on Snapshot. Refreshed every 15 minutes. Rebuilt every 15 minutes. $0.02 per call, no account. Free 24h-delayed sample: GET https://ioswarm.io/api/v1/feeds/crypto-listings/sample.

Open interactive test console

Offering

Provider
ioswarm.io
Method
POST
Offering type
Api Endpoint
Transport type
http
Category
Blockchain And Crypto
Delivery
Not provided
Pricing model
Not provided
x402 version
2

Endpoint context

URL
https://ioswarm.io/api/v1/feeds/crypto-listings
MIME type
application/json
First seen
2026-10-16T01:52:40.118Z
Last seen
Tags
None supplied

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": "0xe4b6e29305B5EEF77aA296dC87D8683E9750eD8F"
  }
]

Observed health

Status
Healthy
Latest latency
18 ms
Average latency
21 ms
HTTP status
200
Last checked
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

{
  "additionalProperties": false,
  "properties": {
    "body": {
      "properties": {
        "at": {
          "description": "Past edition: RFC 3339 or YYYY-MM-DD.",
          "type": "string"
        },
        "date": {
          "description": "YYYY-MM-DD (UTC).",
          "type": "string"
        },
        "limit": {
          "description": "Items per section.",
          "maximum": 200,
          "minimum": 1,
          "type": "integer"
        },
        "q": {
          "description": "Text filter.",
          "maxLength": 80,
          "type": "string"
        },
        "section": {
          "description": "One section (default: all).",
          "enum": [
            "binance",
            "okx",
            "coinbase",
            "governance"
          ],
          "type": "string"
        },
        "ticker": {
          "description": "Ticker/symbol filter.",
          "type": "string"
        }
      },
      "required": [],
      "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 schema

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "properties": {
    "input": {
      "additionalProperties": false,
      "properties": {
        "body": {
          "properties": {
            "at": {
              "description": "Past edition: RFC 3339 or YYYY-MM-DD.",
              "type": "string"
            },
            "date": {
              "description": "YYYY-MM-DD (UTC).",
              "type": "string"
            },
            "limit": {
              "description": "Items per section.",
              "maximum": 200,
              "minimum": 1,
              "type": "integer"
            },
            "q": {
              "description": "Text filter.",
              "maxLength": 80,
              "type": "string"
            },
            "section": {
              "description": "One section (default: all).",
              "enum": [
                "binance",
                "okx",
                "coinbase",
                "governance"
              ],
              "type": "string"
            },
            "ticker": {
              "description": "Ticker/symbol filter.",
              "type": "string"
            }
          },
          "required": [],
          "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"
}