Micro Evidence Brief Export

{
  "amountBaseUnits": "109000",
  "boundaries": [
    "Public or synthetic inputs only. Caller labels are declarations,…"
  ],
  "inputDigest": "sha256:ce934076ff5b408fa6b0250531502d3e9f4a171424b10157c63608ae4…",
  "offerId": "evidence-brief-export",
  "receiptDigest": "sha256:55959bf22f617ae151ce6b090cb4287ada92da0de45c74af0559487a9…",
  "result": {
    "dataClass": "synthetic",
    "document": {
      "plans": [
        {
          "id": "p1",
          "sourceIds": [
            "s1"
          ],
          "text": "Compare declared alternatives"
        }
      ],
      "results": [
        {
          "id": "r1",
          "sourceIds": [
            "s1"
          ],
          "text": "Synthetic comparison completed"
        }
      ],
      "sources": [
        {
          "citation": "Synthetic study record",
          "digest": "sha256:111111111111111111111111111111111111111111111111111111111…",
          "id": "s1",
          "locator": "section 1"
        }
      ],
      "title": "Synthetic research brief"
    },
    "json": "{\"title\":\"Synthetic research brief\",\"sources\":[{\"citation\":\"Synt…",
    "jsonSha256": "sha256:c3af4a214ec6a57f1d7380ec35679fc63cff49c70a923d0f952cfb0ab…",
    "limitations": [
      "No source full text or protected dataset redistribution. Referen…"
    ],
    "markdown": "# Synthetic research brief\n\nDeclared source references only; no …",
    "serviceId": "evidence-brief-export"
  },
  "version": "maha-microproducts/0.1"
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i -X POST 'https://www.mahastrategies.com/api/v1/micro/evidence-brief-export' \
  -H 'content-type: application/json' \
  --data-raw '{"dataClass":"synthetic","plans":[{"id":"p1","sourceIds":["s1"],"text":"Compare declared alternatives"}],"protectedDatasetIncluded":false,"results":[{"id":"r1","sourceIds":["s1"],"text":"Synthetic comparison completed"}],"sourceTextIncluded":false,"sources":[{"citation":"Synthetic study record","digest":"sha256:1111111111111111111111111111111111111111111111111111111111111111","id":"s1","locator":"section 1"}],"title":"Synthetic research brief"}'

# x402 v2 sends the challenge base64-encoded in the PAYMENT-REQUIRED header (v1 sends it in the body).
# To read the header:
curl -sS -g -o /dev/null -D - -X POST 'https://www.mahastrategies.com/api/v1/micro/evidence-brief-export' \
  -H 'content-type: application/json' \
  --data-raw '{"dataClass":"synthetic","plans":[{"id":"p1","sourceIds":["s1"],"text":"Compare declared alternatives"}],"protectedDatasetIncluded":false,"results":[{"id":"r1","sourceIds":["s1"],"text":"Synthetic comparison completed"}],"sourceTextIncluded":false,"sources":[{"citation":"Synthetic study record","digest":"sha256:1111111111111111111111111111111111111111111111111111111111111111","id":"s1","locator":"section 1"}],"title":"Synthetic research brief"}' \
  | grep -i '^payment-required:' | cut -d' ' -f2 | tr -d '\r' | base64 --decode

// npm i @x402/fetch @x402/evm viem
import { wrapFetchWithPayment, x402Client } from "@x402/fetch";
import { registerExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";

// Pays at most $0.109 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.109" });
registerExactEvmScheme(client, { signer: privateKeyToAccount(process.env.EVM_PRIVATE_KEY) });
const pay = wrapFetchWithPayment(fetch, client);

// Not sure it's safe to pay? ToolVet checks it first for $0.005. Pay for that from a separate
// client: this one is capped at $0.109 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fwww.mahastrategies.com%2Fapi%2Fv1%2Fmicro%2Fevidence-brief-export&method=POST
const res = await pay("https://www.mahastrategies.com/api/v1/micro/evidence-brief-export", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "dataClass": "synthetic",
    "plans": [
      {
        "id": "p1",
        "sourceIds": [
          "s1"
        ],
        "text": "Compare declared alternatives"
      }
    ],
    "protectedDatasetIncluded": false,
    "results": [
      {
        "id": "r1",
        "sourceIds": [
          "s1"
        ],
        "text": "Synthetic comparison completed"
      }
    ],
    "sourceTextIncluded": false,
    "sources": [
      {
        "citation": "Synthetic study record",
        "digest": "sha256:1111111111111111111111111111111111111111111111111111111111111111",
        "id": "s1",
        "locator": "section 1"
      }
    ],
    "title": "Synthetic research brief"
  }),
});
console.log(res.status, await res.text());

# pip install "x402[requests,evm]"
import os
from eth_account import Account
from x402 import x402ClientSync
from x402.http.clients import x402_requests
from x402.mechanisms.evm import EthAccountSigner
from x402.mechanisms.evm.exact.register import register_exact_evm_client

# Pays at most $0.109 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.109"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.post(
        "https://www.mahastrategies.com/api/v1/micro/evidence-brief-export",
        json={
            "dataClass": "synthetic",
            "plans": [
                {
                    "id": "p1",
                    "sourceIds": [
                        "s1",
                    ],
                    "text": "Compare declared alternatives",
                },
            ],
            "protectedDatasetIncluded": False,
            "results": [
                {
                    "id": "r1",
                    "sourceIds": [
                        "s1",
                    ],
                    "text": "Synthetic comparison completed",
                },
            ],
            "sourceTextIncluded": False,
            "sources": [
                {
                    "citation": "Synthetic study record",
                    "digest": "sha256:1111111111111111111111111111111111111111111111111111111111111111",
                    "id": "s1",
                    "locator": "section 1",
                },
            ],
            "title": "Synthetic research brief",
        },
    )
    print(res.status_code, res.text)