mirrored listing x402 eip155:8453

Near-Earth asteroids (NEOs) making their closest approach to Earth on a given date (defaul

Near-Earth asteroids (NEOs) making their closest approach to Earth on a given date (default: today), sorted by distance -- also called close-approach or flyby data. Includes each asteroid's estimated size, relative velocity, and miss distance. Sourced from NASA JPL's Near Earth Object Web Service (NeoWs).

1000 (raw units)

price

calls / 30d

unique payers

2026-09-08

updated

Provider

x402-seller.onrender.com · discovered, not yet claimed by its owner

Payment (x402 accepts[])

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "payTo": "0xbd61dfb01f81c91f02b0ccd51b0220e0c8918639",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "1000",
    "maxTimeoutSeconds": 300
  }
]

Output schema

{
  "bazaar": {
    "info": {
      "input": {
        "method": "GET",
        "queryParams": {
          "date": "2026-07-16"
        },
        "type": "http"
      },
      "output": {
        "example": {
          "asteroids": [
            {
              "diameterKmMax": 0.43,
              "diameterKmMin": 0.19,
              "hazardous": false,
              "missDistanceKm": 4576123.9,
              "name": "465633 (2009 JR5)",
              "velocityKph": 28123.5
            }
          ],
          "count": 1,
          "date": "2026-07-16",
          "source": "NASA JPL Near Earth Object Web Service (NeoWs)"
        },
        "type": "json"
      }
    },
    "schema": {
      "$schema": "https://json-schema.org/draft/2020-12/schema",
      "properties": {
        "input": {
          "additionalProperties": false,
          "properties": {
            "method": {
              "enum": [
                "GET"
              ],
              "type": "string"
            },
            "queryParams": {
              "properties": {
                "date": {
                  "description": "YYYY-MM-DD, defaults to today",
                  "type": "string"
                }
              },
              "required": [],
              "type": "object"
            },
            "type": {
              "const": "http",
              "type": "string"
            }
          },
          "required": [
            "type",
            "method"
          ],
          "type": "object"
        },
        "output": {
          "properties": {
            "example": {
              "properties": {
                "asteroids": {
                  "type": "array"
                },
                "count": {
                  "type": "number"
                },
                "date": {
                  "type": "string"
                },
                "source": {
                  "type": "string"
                }
              },
              "type": "object"
            },
            "type": {
              "type": "string"
            }
          },
          "required": [
            "type"
          ],
          "type": "object"
        }
      },
      "required": [
        "input"
      ],
      "type": "object"
    }
  }
}

Use it

curl

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

JavaScript

const res = await fetch("https://x402-seller.onrender.com/space/asteroids");
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://x402-seller.onrender.com/space/asteroids")
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/1466.json, and this resource appears in /discovery/resources and /discovery/search.