Mastodon Post Replies

{
  "post": {
    "author": "Gargron",
    "author_name": "Eugen Rochko",
    "boosts": 9,
    "created_at": "2026-10-12T23:56:01.666Z",
    "favourites": 83,
    "language": "en",
    "replies": 3,
    "text": "A photo from our trip to Tuscany earlier this year that I have not posted so far because I don't consider it very good. 📷\ufe0f Pentax KX 🎞\ufe0f Fuji Superia X-tra 400 🔭 Pentax M 50mm/1.7 ⚗\ufe0f Spieker Film Lab # BelieveInFilm # FilmPhotography # AnalogPhotography # 35mm",
    "url": "https://mastodon.social/@Gargron/117430639765794729"
  },
  "replies": [
    {
      "author": "[email protected]",
      "author_name": "Zak",
      "boosts": 0,
      "created_at": "2026-10-13T00:02:27.000Z",
      "favourites": 0,
      "language": "en",
      "replies": 0,
      "text": "@ Gargron It's good.",
      "url": "https://infosec.exchange/@zak/117430665078852118"
    },
    {
      "author": "[email protected]",
      "author_name": "::ᏒⴹᎢꓰＣ𐋏",
      "boosts": 0,
      "created_at": "2026-10-13T00:05:26.000Z",
      "favourites": 0,
      "language": "en",
      "replies": 0,
      "text": "@ Gargron It's got a real '50s vibe. Put a scalloped edge and a date, and no one would know the difference.",
      "url": "https://defcon.social/@R_3_T_3_C_H/117430676754367404"
    }
  ],
  "replies_count": 3,
  "source": "Mastodon public API (mastodon.social)"
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i -X POST 'https://api.vextorium.com/v1/mastodon-post-replies' \
  -H 'content-type: application/json' \
  --data-raw '{"limit":50,"post":"https://mastodon.social/@Gargron/117430639765794729"}'

# 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://api.vextorium.com/v1/mastodon-post-replies' \
  -H 'content-type: application/json' \
  --data-raw '{"limit":50,"post":"https://mastodon.social/@Gargron/117430639765794729"}' \
  | 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 $0.003 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.003" });
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 $0.003 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fapi.vextorium.com%2Fv1%2Fmastodon-post-replies&method=POST
const res = await pay("https://api.vextorium.com/v1/mastodon-post-replies", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "limit": 50,
    "post": "https://mastodon.social/@Gargron/117430639765794729"
  }),
});
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 $0.003 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.003"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.post(
        "https://api.vextorium.com/v1/mastodon-post-replies",
        json={
            "limit": 50,
            "post": "https://mastodon.social/@Gargron/117430639765794729",
        },
    )
    print(res.status_code, res.text)