base-gas-x402

What it does

Live Base mainnet gas: EIP-1559 base fee, low/medium/high priority tiers in gwei, and a transaction cost estimate for any gas limit.

Audience: ai-agents, developers. Tags: mainnet, gas, eip-1559, fee.

Pricing

How agents pay

1. The agent sends a plain request and receives an HTTP 402 response describing the price and payment requirements.
2. The agent signs a payment payload for the exact amount on base and attaches it to a retried request.
3. The facilitator verifies and settles the payment, then the service returns the paid response.

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Facet hubs for this service

• Chain: Base services
• Facilitator: Coinbase Cdp profile
• Price band: Micro ($0.01 or less per request)

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