BaseGas

Returns current Base EIP-1559 gas tiers and congestion metrics.

OtherLiveeip155:8453Exactvia facilitator:payAI
Settlements · 30d
32↑ 600%
No per-endpoint history for this service yet, so this is payments indexed to its PROVIDER's wallet over 30 days.
$0.19
Verified settled volume
32 settlements proven x402 by their on-chain EIP-3009 marker.
$0.010
Listed price
As published in the catalog. Always read the live 402 before paying.
—
Calls · 30d
Upstream's own call count for this endpoint, not ours.
—
Unique payers · 30d
Never called
—
Upstream on-chain volume
Reported by the source catalog.
Paid to
0xb5aFc89b57Fa8270bB7261348179D28099BEa2a0

The wallet the 402 directs payment to. Its whole payment record — every payer, every chain — is on the merchant page.

Asset 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913

Provider

The payTo wallet does not resolve to a registered ERC-8004 agent. That is not a verdict on the service — most of the catalog is unregistered.

Live 402 challenge

Captured by the enrichment pass, not read just now. Prices can change — always read the 402 the endpoint answers with.

{
  "error": {
    "code": "payment_required",
    "message": "A verified x402 v2 payment is required."
  },
  "success": false
}

Accepts

The payment requirements as published to the catalog. Read the live 402 before paying — a price here is a claim, not a quote.

0.01USDC≈ $0.01 USD
on Base · exact scheme

Pay 0.01 USDC on Base to 0xb5aF…Ea2a0. The signed payment is good for 1 minute.

USD Coin contract
0x8335…02913
Payment window
1 minute
As published
10000 smallest units
The catalog’s raw entry
[
  {
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "extra": {
      "name": "USD Coin",
      "version": "2",
      "assetTransferMethod": "eip3009"
    },
    "payTo": "0xb5aFc89b57Fa8270bB7261348179D28099BEa2a0",
    "amount": "10000",
    "scheme": "exact",
    "network": "eip155:8453",
    "maxTimeoutSeconds": 60
  }
]

Extensions

{
  "bazaar": {
    "info": {
      "input": {
        "type": "http",
        "method": "GET",
        "queryParams": {}
      },
      "output": {
        "type": "json"
      }
    },
    "schema": {
      "type": "object",
      "$schema": "https://json-schema.org/draft/2020-12/schema",
      "required": [
        "input"
      ],
      "properties": {
        "input": {
          "type": "object",
          "required": [
            "type",
            "method",
            "queryParams"
          ],
          "properties": {
            "type": {
              "const": "http"
            },
            "method": {
              "const": "GET"
            },
            "queryParams": {
              "type": "object",
              "properties": {}
            }
          },
          "additionalProperties": false
        },
        "output": {
          "type": "object",
          "properties": {
            "type": {
              "const": "json"
            },
            "example": {
              "type": "object",
              "required": [
                "success",
                "network",
                "source",
                "suggestions",
                "base_fee_wei",
                "timestamp"
              ],
              "properties": {
                "source": {
                  "type": "string"
                },
                "network": {
                  "type": "string"
                },
                "success": {
                  "type": "boolean"
                },
                "chain_id": {
                  "type": "integer"
                },
                "timestamp": {
                  "type": "string",
                  "format": "date-time"
                },
                "suggestions": {
                  "type": "object",
                  "required": [
                    "slow",
                    "standard",
                    "fast",
                    "instant"
                  ],
                  "properties": {
                    "fast": {
                      "type": "object",
                      "required": [
                        "max_priority_fee_per_gas_gwei",
                        "max_fee_per_gas_gwei",
                        "max_priority_fee_wei",
                        "max_fee_wei",
                        "estimated_wait_blocks"
                      ],
                      "properties": {
                        "max_fee_wei": {
                          "type": "integer"
                        },
                        "max_fee_per_gas_gwei": {
                          "type": "number"
                        },
                        "max_priority_fee_wei": {
                          "type": "integer"
                        },
                        "estimated_wait_blocks": {
                          "type": "integer"
                        },
                        "max_priority_fee_per_gas_gwei": {
                          "type": "number"
                        }
                      }
                    },
                    "slow": {
                      "type": "object",
                      "required": [
                        "max_priority_fee_per_gas_gwei",
                        "max_fee_per_gas_gwei",
                        "max_priority_fee_wei",
                        "max_fee_wei",
                        "estimated_wait_blocks"
                      ],
                      "properties": {
                        "max_fee_wei": {
                          "type": "integer"
                        },
                        "max_fee_per_gas_gwei": {
                          "type": "number"
                        },
                        "max_priority_fee_wei": {
                          "type": "integer"
                        },
                        "estimated_wait_blocks": {
                          "type": "integer"
                        },
                        "max_priority_fee_per_gas_gwei": {
                          "type": "number"
                        }
                      }
                    },
                    "instant": {
                      "type": "object",
                      "required": [
                        "max_priority_fee_per_gas_gwei",
                        "max_fee_per_gas_gwei",
                        "max_priority_fee_wei",
                        "max_fee_wei",
                        "estimated_wait_blocks"
                      ],
                      "properties": {
                        "max_fee_wei": {
                          "type": "integer"
                        },
                        "max_fee_per_gas_gwei": {
                          "type": "number"
                        },
                        "max_priority_fee_wei": {
                          "type": "integer"
                        },
                        "estimated_wait_blocks": {
                          "type": "integer"
                        },
                        "max_priority_fee_per_gas_gwei": {
                          "type": "number"
                        }
                      }
                    },
                    "standard": {
                      "type": "object",
                      "required": [
                        "max_priority_fee_per_gas_gwei",
                        "max_fee_per_gas_gwei",
                        "max_priority_fee_wei",
                        "max_fee_wei",
                        "estimated_wait_blocks"
                      ],
                      "properties": {
                        "max_fee_wei": {
                          "type": "integer"
                        },
                        "max_fee_per_gas_gwei": {
                          "type": "number"
                        },
                        "max_priority_fee_wei": {
                          "type": "integer"
                        },
                        "estimated_wait_blocks": {
                          "type": "integer"
                        },
                        "max_priority_fee_per_gas_gwei": {
                          "type": "number"
                        }
                      }
                    }
                  }
                },
                "base_fee_wei": {
                  "type": "integer"
                },
                "base_fee_gwei": {
                  "type": "number"
                },
                "congestion_level": {
                  "type": "string"
                },
                "congestion_ratio": {
                  "type": "number"
                },
                "blob_base_fee_wei": {
                  "type": [
                    "integer",
                    "null"
                  ]
                },
                "blob_base_fee_gwei": {
                  "type": [
                    "number",
                    "null"
                  ]
                }
              }
            }
          }
        }
      }
    }
  }
}

Provenance

Seen in the source catalog
2026-11-02 04:52Z
Last indexed by Roundhouse
2026-11-09 17:15Z
Last enriched (probe, favicon, geo)
2026-11-03 04:46Z
x402 version
2
Max timeout
60s
Liveness probe
HTTP 402
Report

Hand this page to an agent

Copy the prompt and paste it into Claude, an MCP client or your own agent — it will vet this service and call it over the free read API. No key, no account.

GET api.roundhouseai.io/v0/endpoints

No per-endpoint history for this service yet, so this is payments indexed to its PROVIDER's wallet over 30 days. Verified volume counts only settlements with an on-chain EIP-3009 marker.

Open skill.md
Show the prompt
Using Roundhouse, look up the x402 service BaseGas and tell me whether it is
worth paying: what a call costs, whether the endpoint answered when last probed, and what
its payment record actually shows.

curl -s 'https://api.roundhouseai.io/v0/endpoints?q=BaseGas'
curl -s 'https://api.roundhouseai.io/v0/merchants/<the payTo wallet returned above>'

Then call it: read the price from the live 402 at https://baseshield-x402-ojil.vercel.app/v1/gas, never from
a cached figure, and pay with an x402 client.

The /v0 API needs an API key (`authorization: Bearer rh_live_…`) on everything except
/v0/unified* and /v0/endpoints. Either pay over x402 (mint a personal key for $0.01 at
GET https://api.roundhouseai.io/v0/test/x402), or ask me for an organization key, which I create at
https://roundhouseai.io/dashboard/connections. If you have neither, ask before going further.

If you do not have Roundhouse tools or skills installed, read
https://roundhouseai.io/skill.md first — it is the whole procedure.