fresh-state
x402
live-data
agent-utility

Base Token Allowance

Read a live ERC-20 allowance on Base for an owner/spender pair without an API key. Returns the current block and raw token units. Current x402 price: $0.01.

post/v1/base-token-allowance

Request

  • Base URL: https://api.salt19.com
  • URL: https://api.salt19.com/v1/base-token-allowance
  • Auth: none declared

Headers

Idempotency-Keystring

Recommended for the strongest semantic at-most-once retry contract. Standard x402 clients may omit it.

Request body

token_addressstring required
ownerstring required
spenderstring required

Response

Fresh-State result

Changes

No recorded changes to this operation across all 1 revision of this API.