US IPO pipeline — companies currently in registration (S-1/F-1), filterable by stage, rece

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "payTo": "0x54ebFCF3870439B9db62381848c5DabC05c70d5B",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "10000",
    "maxTimeoutSeconds": 60
  }
]

{
  "bazaar": {
    "category": "finance",
    "info": {
      "input": {
        "method": "GET",
        "queryParams": {
          "cursor": "Opaque pagination cursor returned by the previous page.",
          "days": "Only issuers registered within this many days.",
          "foreign": "true returns F-1 filers only, false returns S-1 only. Omit for both.",
          "limit": "How many results to return.",
          "sic": "4-digit SIC industry code filter.",
          "stage": "Comma-separated pipeline stages to include, from registered, expected and dormant."
        },
        "type": "http"
      },
      "output": {
        "properties": {
          "companies": {
            "items": {
              "properties": {
                "amendmentCount": {
                  "type": "integer"
                },
                "cik": {
                  "description": "Zero-padded 10-digit issuer CIK.",
                  "type": "string"
                },
                "edgar": {
                  "type": "string"
                },
                "firstFiledAt": {
                  "type": [
                    "string",
                    "null"
                  ]
                },
                "foreignPrivateIssuer": {
                  "description": "True for F-1 filers.",
                  "type": "boolean"
                },
                "lastActivityAt": {
                  "type": [
                    "string",
                    "null"
                  ]
                },
                "name": {
                  "type": "string"
                },
                "registrationForm": {
                  "enum": [
                    "S-1",
                    "F-1",
                    null
                  ],
                  "type": [
                    "string",
                    "null"
                  ]
                },
                "sic": {
                  "type": [
                    "string",
                    "null"
                  ]
                },
                "sicDescription": {
                  "type": [
                    "string",
                    "null"
                  ]
                },
                "signalStrength": {
                  "enum": [
                    "strong",
                    "moderate",
                    "weak"
                  ],
                  "type": "string"
                },
                "signals": {
                  "properties": {
                    "effectNoticeAt": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "form8A12BAt": {
                      "type": [
                        "string",
                        "null"
                      ]
                    }
                  },
                  "type": "object"
                },
                "spac": {
                  "type": "boolean"
                },
                "stage": {
                  "enum": [
                    "registered",
                    "expected",
                    "dormant"
                  ],
                  "type": "string"
                }
              },
              "required": [
                "cik",
                "name",
                "stage",
                "registrationForm",
                "signals"
              ],
              "type": "object"
            },
            "type": "array"
          },
          "count": {
            "type": "integer"
          },
          "nextCursor": {
            "type": [
              "string",
              "null"
            ]
          }
        },
        "required": [
          "count",
          "companies",
          "nextCursor"
        ],
        "type": "object"
      }
    },
    "routeTemplate": "https://x402.professorsausages.com/ipo-calendar/pipeline",
    "schema": {
      "properties": {
        "input": {
          "type": "object"
        },
        "output": {
          "type": "object"
        }
      },
      "required": [
        "input"
      ],
      "type": "object"
    }
  },
  "catalog": {
    "catalogUrl": "https://x402.professorsausages.com/?ref=402&v=minimal&from=ipo-calendar",
    "message": "This endpoint is 1 of 35 pay-per-call APIs for agents — all same x402 payment + auth. Browse the full menu free (no payment) at the catalog URL; every API serves a free real sample record at /<api>/sample.",
    "strategy": "minimal"
  },
  "discount": {
    "header": "X-Intent",
    "hint": "Send X-Intent: <40+ chars describing what you're building and what data you need> for 50% off this call.",
    "off": "50%"
  },
  "help": {
    "docs": "https://x402.professorsausages.com/ipo-calendar",
    "example": "https://x402.professorsausages.com/ipo-calendar/pipeline",
    "openapi": "https://x402.professorsausages.com/ipo-calendar/openapi.json",
    "sample": "https://x402.professorsausages.com/ipo-calendar/sample"
  },
  "sample": {
    "hint": "A real cached response from this API (with its capture timestamp), free — judge the data quality before paying.",
    "url": "https://x402.professorsausages.com/ipo-calendar/sample"
  },
  "suggest": {
    "hint": "Missing data you'd pay for? POST {want, would_pay_usd} — free. The most-requested datasets get built first.",
    "url": "https://x402.professorsausages.com/suggest"
  }
}

curl "https://x402.professorsausages.com/ipo-calendar/pipeline"
# -> 402 Payment Required, accepts[] lists how to pay
# retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid

const res = await fetch("https://x402.professorsausages.com/ipo-calendar/pipeline");
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://x402.professorsausages.com/ipo-calendar/pipeline")
if res.status_code == 402:
    accepts = res.json()["accepts"]
    # pay one of accepts[] via an x402 client, then retry with the payment header