Mastodon Trending Posts

{
  "count": 20,
  "instance": "mastodon.social",
  "posts": [
    {
      "author": "[email protected]",
      "author_name": "Nαtαshα :mastodon:",
      "boosts": 172,
      "created_at": "2026-10-13T06:30:12.000Z",
      "favourites": 306,
      "language": "en",
      "replies": 12,
      "text": "\"Alien is a movie where nobody listens to the smart woman, and then they all die except for the smart woman and her cat. Four (⭐⭐⭐⭐) stars.\"",
      "url": "https://tech.lgbt/@Natasha_Jay/117432189720716241"
    },
    {
      "author": "gutenberg_org",
      "author_name": "Project Gutenberg",
      "boosts": 87,
      "created_at": "2026-10-13T07:24:08.844Z",
      "favourites": 44,
      "language": "en",
      "replies": 1,
      "text": "\"The Analytical Engine weaves algebraic patterns just as the Jacquard loom weaves flowers and leaves.\" Let's celebrate, today is Ada Lovelace Day! Ada Lovelace, daughter of Lord Byron, was a pioneering mathematician. Known for creating the first machine algorithm for Babbage's Analytical Engine, she…",
      "url": "https://mastodon.social/@gutenberg_org/117432401844117791"
    }
  ],
  "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-trending-posts' \
  -H 'content-type: application/json' \
  --data-raw '{"instance":"mastodon.social","limit":20}'

# 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-trending-posts' \
  -H 'content-type: application/json' \
  --data-raw '{"instance":"mastodon.social","limit":20}' \
  | 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-trending-posts&method=POST
const res = await pay("https://api.vextorium.com/v1/mastodon-trending-posts", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "instance": "mastodon.social",
    "limit": 20
  }),
});
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-trending-posts",
        json={
            "instance": "mastodon.social",
            "limit": 20,
        },
    )
    print(res.status_code, res.text)