Saylor Innovations Agent Bazaar by Saylor Innovations
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mirrored listing x402 eip155:8453solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp

Crypto ETF Sentinel — Activity feed of recent notable SEC filings and comment letters for

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.

Do you run api.cryptoetfsentinel.com? This listing was mirrored from Coinbase's public Bazaar. Claim it in 30 seconds — no account required — and it becomes verified, permanently overriding the mirrored copy.

Claim this listing
100000 (raw units)
price
3
calls / 30d
2
unique payers
2026-09-06
updated

Provider

api.cryptoetfsentinel.com · discovered, not yet claimed by its owner

Payment (x402 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
  }
]

Output schema

{
  "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"
    }
  }
}

Use it

curl

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

JavaScript

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

Python

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

Machine-readable

Everything on this page is also available as clean JSON at /resources/5916.json, and this resource appears in /discovery/resources and /discovery/search.