Blockchain Data · x402 · early usage

Find the additives named on a food label and return, for each, the cross-axis derivatio…

Find the additives named on a food label and return, for each, the cross-axis derivation across jurisdictions

by api.additiveatlas.monon.space · discovered, not yet claimed by its owner · updated 2026-10-09

30d calls4

30d payers2

MethodPOST

Outputjson

Mirrored from Coinbase's public x402 Bazaar. The description is the provider's own text and has not been reviewed here; the payment requirements are copied as published.

What it does

Find the additives named on a food label and return, for each, the cross-axis derivation across jurisdictions

Tags: food-additives · regulation · labelling · eu · japan · bazaar

Call contract

Method: POST
Input: json
Output: json
Last paid call: 2026-10-09

Input example from Bazaar metadata

{
  "axis": "JP",
  "lang": "ja",
  "text": [
    "ソルビン酸（Ｋ）",
    "カラメル色素"
  ]
}

Output example

{
  "interactions": [],
  "meta": {
    "disclaimer": {
      "en": "Every record is a draft and needs verification. This is not a safety judgement: it returns what each jurisdiction has officially decided, the differences between them, and the sources.",
      "ja": "全件ドラフト＝要検証。安全/危険の判定ではなく、各法域の公的判断の差分と根拠を返す。"
    },
    "last_verified": "2026-09-24",
    "sources": "/v1/sources"
  },
  "scope": {
    "alias_langs": [
      "ja"
    ],
    "axis": "JP",
    "lang": "ja"
  },
  "tokens": [
    {
      "matches": [
        {
          "axis": "JP",
          "axis_category": null,
          "group_type": "shared_name",
          "id": "jp:caramel",
          "identifiers": [],
          "is_group": true,
          "is_open": false,
          "name": "カラメル色素（共有名）",
          "translations": {},
          "use_category": [
            "着色料"
          ]
        }
      ],
      "token": "カラメル色素"
    }
  ]
}

Use with an agent

Discover. Agents find this listing with GET https://bazaar.saylorinnovations.com/discovery/search?query=…, the MCP tool search_resources, or /discovery/resources.
Inspect. Fetch /resources/36605.json for the price and payment options.
Pay. Call GET https://api.additiveatlas.monon.space/v1/labels/analyze/diff. The provider answers 402 with its payment requirements. An x402 client signs one of the options below and retries with PAYMENT-SIGNATURE.
Execute. The provider returns 200 with the data. Agent Bazaar is not in the request path and never sees your payment.

For humans

You don't need an account or an API key; you need a wallet holding a small amount of USDC on Base, and an x402-capable client (see the examples below). Call the endpoint unpaid first to see exactly what it asks for.

Pricing & payment

Price: $0.01 / request
Protocol: x402 v2
Auth: No account or API key. Pay per request.
Networks: Base
Demand: 4 calls · 2 unique payers in 30d (public x402 Bazaar data)

x402 payment requirements

Scheme	Network	Asset	Amount	Pay to	Timeout
exact	Base eip155:8453	USDC	$0.01	0x6fFF720533330Bf937130F5542511754258d88DA	300s

accepts[] (raw JSON)

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "payTo": "0x6fFF720533330Bf937130F5542511754258d88DA",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "10000",
    "amountUsd": 0.01,
    "maxTimeoutSeconds": 300
  }
]

Schemas

Output schema (JSON Schema)

{
  "properties": {
    "example": {
      "description": "Per token, the substances it resolved to, each carrying the cross-axis derivation (axes[]). Full response shape and vocabulary: /openapi.yaml on this host. Every record is a draft and needs verification; not a safety judgement.",
      "properties": {
        "interactions": {
          "type": "array"
        },
        "meta": {
          "type": "object"
        },
        "scope": {
          "type": "object"
        },
        "tokens": {
          "type": "array"
        }
      },
      "required": [
        "scope",
        "tokens",
        "interactions",
        "meta"
      ],
      "type": "object"
    },
    "type": {
      "type": "string"
    }
  },
  "required": [
    "type"
  ],
  "type": "object"
}

Example shape — generated from the schema, not a captured live response

{
  "example": {
    "interactions": [
      "value"
    ],
    "meta": {},
    "scope": {},
    "tokens": [
      "value"
    ]
  },
  "type": "string"
}

Examples

curl

curl "https://api.additiveatlas.monon.space/v1/labels/analyze/diff"
# -> 402 Payment Required, accepts[] lists how to pay
# retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid

JavaScript

const res = await fetch("https://api.additiveatlas.monon.space/v1/labels/analyze/diff");
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://api.additiveatlas.monon.space/v1/labels/analyze/diff")
if res.status_code == 402:
    accepts = res.json()["accepts"]
    # pay one of accepts[] via an x402 client, then retry with the payment header

Details

Provider: api.additiveatlas.monon.space
Endpoint: https://api.additiveatlas.monon.space/v1/labels/analyze/diff
Machine-readable: /resources/36605.json