Saylor Innovations Agent Bazaar by Saylor Innovations
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mirrored listing x402 eip155:8453

Alerting: register a one-shot webhook that fires when Ethereum gas price crosses your thre

Alerting: register a one-shot webhook that fires when Ethereum gas price crosses your threshold — the server pushes to you when it happens, instead of you polling for it.

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20000 (raw units)
price
1
calls / 30d
1
unique payers
2026-09-12
updated

Provider

lab.paidapis.net · discovered, not yet claimed by its owner

Payment (x402 accepts[])

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "payTo": "0xf74f2020aC3d73F2Bf5ee0F8Bf635475eA881319",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "20000",
    "maxTimeoutSeconds": 300
  }
]

Output schema

{
  "bazaar": {
    "info": {
      "input": {
        "body": {
          "condition": "above",
          "thresholdGwei": 0,
          "webhookUrl": ""
        },
        "method": "POST",
        "type": "http"
      },
      "output": {
        "example": {
          "alertId": "",
          "condition": "above",
          "createdAt": "",
          "firedAt": "",
          "gasPriceGweiAtTrigger": 0,
          "status": "active",
          "thresholdGwei": 0,
          "webhookUrl": ""
        },
        "type": "json"
      }
    },
    "schema": {
      "properties": {
        "input": {
          "properties": {
            "body": {
              "properties": {
                "condition": {
                  "description": "Either \"above\" or \"below\".",
                  "enum": [
                    "above",
                    "below"
                  ],
                  "type": "string"
                },
                "thresholdGwei": {
                  "description": "Gas price threshold in Gwei.",
                  "type": "number"
                },
                "webhookUrl": {
                  "description": "Public http(s) URL to POST to when the alert fires.",
                  "type": "string"
                }
              },
              "required": [
                "webhookUrl",
                "condition",
                "thresholdGwei"
              ],
              "type": "object"
            }
          }
        },
        "output": {
          "properties": {
            "example": {
              "properties": {
                "alertId": {
                  "type": "string"
                },
                "condition": {
                  "enum": [
                    "above",
                    "below"
                  ],
                  "type": "string"
                },
                "createdAt": {
                  "type": "string"
                },
                "firedAt": {
                  "type": [
                    "string",
                    "null"
                  ]
                },
                "gasPriceGweiAtTrigger": {
                  "type": [
                    "number",
                    "null"
                  ]
                },
                "status": {
                  "enum": [
                    "active",
                    "fired",
                    "delivery-failed"
                  ],
                  "type": "string"
                },
                "thresholdGwei": {
                  "type": "number"
                },
                "webhookUrl": {
                  "type": "string"
                }
              },
              "type": "object"
            }
          }
        }
      }
    }
  }
}

Use it

curl

curl "https://lab.paidapis.net/api/alerts/subscribe"
# -> 402 Payment Required, accepts[] lists how to pay
# retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid

JavaScript

const res = await fetch("https://lab.paidapis.net/api/alerts/subscribe");
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://lab.paidapis.net/api/alerts/subscribe")
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/12420.json, and this resource appears in /discovery/resources and /discovery/search.