{
  "x402Version": 2,
  "id": 5916,
  "slug": "5916",
  "resource": "https://api.cryptoetfsentinel.com/v1/events",
  "description": "Crypto ETF Sentinel — Activity feed of recent notable SEC filings and comment letters for US spot crypto ETFs (Bitcoin, Ethereum, Solana, XRP and more; last 60 days by default): S-1, 424B, 8-A12B, CERT, EFFECT and review correspondence, stage-filtered to drop trading-stage housekeeping. Use when a monitoring agent needs a 'what changed in crypto ETF regulation' heartbeat. Optional days and limit.",
  "type": "http",
  "accepts": [
    {
      "scheme": "exact",
      "network": "eip155:8453",
      "payTo": "0x169Bf49c6ee5A179190121Ab8D180B50e31683d1",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "amount": "100000",
      "maxTimeoutSeconds": 300
    },
    {
      "scheme": "exact",
      "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
      "payTo": "Ezzbt3d3K76pmQpwbeXkggCs5n7Q3JWG3iCmtdKdpMxk",
      "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
      "amount": "100000",
      "maxTimeoutSeconds": 300
    }
  ],
  "outputSchema": {
    "bazaar": {
      "info": {
        "input": {
          "method": "GET",
          "queryParams": {
            "days": 60,
            "limit": 15
          },
          "type": "http"
        },
        "output": {
          "example": {
            "data": [
              {
                "cik": "0002090011",
                "company": "21Shares Hyperliquid ETF",
                "crypto": "hyperliquid",
                "description": "21Shares Hyperliquid ETF certified for exchange listing",
                "event_type": "filing",
                "filing_type": "CERT",
                "link": "https://www.sec.gov/Archives/edgar/data/.../THYP_8A_Cert_2090011.pdf",
                "timestamp": "2026-05-11T00:00:00+00:00"
              }
            ],
            "meta": {
              "total": 1
            }
          },
          "type": "json"
        }
      },
      "schema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "input": {
            "additionalProperties": false,
            "properties": {
              "method": {
                "enum": [
                  "GET",
                  "HEAD",
                  "DELETE"
                ],
                "type": "string"
              },
              "queryParams": {
                "properties": {
                  "days": {
                    "default": 60,
                    "description": "Recency window in days (1-180, default 60).",
                    "maximum": 180,
                    "minimum": 1,
                    "type": "integer"
                  },
                  "limit": {
                    "default": 15,
                    "description": "Max results (default 15, max 50)",
                    "maximum": 50,
                    "minimum": 1,
                    "type": "integer"
                  }
                },
                "required": [],
                "type": "object"
              },
              "type": {
                "const": "http",
                "type": "string"
              }
            },
            "required": [
              "type",
              "method"
            ],
            "type": "object"
          },
          "output": {
            "properties": {
              "example": {
                "properties": {
                  "data": {
                    "description": "The endpoint payload — type varies per route"
                  },
                  "error": {
                    "type": [
                      "string",
                      "null"
                    ]
                  },
                  "meta": {
                    "properties": {
                      "limit": {
                        "type": [
                          "integer",
                          "null"
                        ]
                      },
                      "offset": {
                        "type": [
                          "integer",
                          "null"
                        ]
                      },
                      "total": {
                        "type": [
                          "integer",
                          "null"
                        ]
                      }
                    },
                    "type": "object"
                  }
                },
                "required": [
                  "data"
                ],
                "type": "object"
              },
              "type": {
                "type": "string"
              }
            },
            "required": [
              "type"
            ],
            "type": "object"
          }
        },
        "required": [
          "input"
        ],
        "type": "object"
      }
    }
  },
  "tags": [
    "bazaar"
  ],
  "sourceHost": "api.cryptoetfsentinel.com",
  "lastUpdated": "2026-09-06T08:43:00.345Z",
  "quality": {
    "calls30d": 3,
    "uniquePayers30d": 2,
    "lastCalledAt": "2026-09-06T08:42:59.903Z"
  },
  "liveness": {},
  "verified": false,
  "featured": false,
  "provider": {
    "host": "api.cryptoetfsentinel.com",
    "manifest_name": "api.cryptoetfsentinel.com",
    "source": "cdp-mirror",
    "source_manifest_url": "https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources",
    "submitted_at": "2026-09-18T22:00:31.484Z"
  }
}