Index onlineMerchant portal
Api Endpoint

ERC-20 total supply

ERC-20 total supply. Get the totalSupply of one Base ERC-20, with raw units, decimals, and the decimal amount. Omit ?token= for USDC. $0.003 USDC. Included in the hour pass. Includes a signed Base fact you can check with the published receipt key. Includes a signed Ed25519 receipt you can check with the published key.

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Offering

Provider
aizamon.com
Method
GET
Offering type
Api Endpoint
Transport type
http
Category
Other
Delivery
Not provided
Pricing model
Not provided
x402 version
2

Endpoint context

URL
https://aizamon.com/x402/v1/supply
MIME type
application/json
First seen
2026-10-27T21:36:21.577Z
Last seen
Tags
token supply, total supply, Base, X402, Supply, ERC20, under-cap

Website

Payment pricing

x402 payment terms are the authoritative price for calling this endpoint.

Payment option 1
0.003 USDC
Atomic price: 3000 · Network: eip155:8453 · Asset: USDC · Scheme: exact
Raw x402 terms
[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "3000",
    "payTo": "0xB88544cF8E9E97EEb2F313e0D3528FC1e50C2887"
  }
]

Observed health

Status
Healthy
Latest latency
170 ms
Average latency
309 ms
HTTP status
402
Last checked
Reachability
100% over 3 checks

Latency is measured to the first response headers. A reachable result does not verify response accuracy or merchant identity.

Input schema

{
  "type": "object",
  "properties": {
    "type": {
      "type": "string",
      "const": "http"
    },
    "method": {
      "type": "string",
      "enum": [
        "GET",
        "HEAD",
        "DELETE"
      ]
    },
    "queryParams": {
      "type": "object",
      "properties": {
        "token": {
          "type": "string",
          "description": "ERC-20 contract. Omit for Base USDC."
        }
      }
    }
  },
  "required": [
    "type",
    "method"
  ],
  "additionalProperties": false
}

Output schema

{
  "type": "object",
  "properties": {
    "type": {
      "type": "string"
    },
    "example": {
      "type": "object",
      "properties": {
        "ok": {
          "type": "boolean"
        },
        "protocol": {
          "type": "string"
        },
        "sku": {
          "type": "string"
        },
        "result": {
          "type": "object"
        }
      }
    }
  },
  "required": [
    "type"
  ]
}