Bikes City

{
  "network": {
    "city": "Paris",
    "country": "FR",
    "ebikes": true,
    "id": "velib",
    "name": "Vélib' Métropole",
    "operator": "Smovengo"
  },
  "other_networks_matching": [],
  "sorted_by": "distance from lat/lon",
  "source": "CityBikes (api.citybik.es), network data under each operator licence",
  "stations": [
    {
      "distance_km": 0.09,
      "empty_slots": 23,
      "free_bikes": 36,
      "lat": 48.8562118,
      "lon": 2.3532536,
      "name": "Lobau - Hôtel de Ville",
      "updated": "2026-10-16T03:41:02.177146+00:00Z"
    },
    {
      "distance_km": 0.1,
      "empty_slots": 13,
      "free_bikes": 0,
      "lat": 48.8573314,
      "lon": 2.351458,
      "name": "Place de l'Hôtel de Ville",
      "updated": "2026-10-16T03:41:02.036824+00:00Z"
    },
    {
      "distance_km": 0.15,
      "empty_slots": 14,
      "free_bikes": 8,
      "lat": 48.857346707443,
      "lon": 2.3539767041802,
      "name": "Archives - Rivoli",
      "updated": "2026-10-16T03:41:02.160828+00:00Z"
    },
    {
      "distance_km": 0.21,
      "empty_slots": 28,
      "free_bikes": 3,
      "lat": 48.857999643315,
      "lon": 2.3502172809763,
      "name": "Saint-Bon - Rivoli",
      "updated": "2026-10-16T03:41:02.173753+00:00Z"
    },
    {
      "distance_km": 0.25,
      "empty_slots": 18,
      "free_bikes": 13,
      "lat": 48.858835448898,
      "lon": 2.3518279194832,
      "name": "Cloître Saint-Merri - Renard",
      "updated": "2026-10-16T03:41:02.178393+00:00Z"
    },
    {
      "distance_km": 0.31,
      "empty_slots": 15,
      "free_bikes": 27,
      "lat": 48.855949910497,
      "lon": 2.3563823103905,
      "name": "Mairie du 4ème",
      "updated": "2026-10-16T03:41:02.172908+00:00Z"
    },
    {
      "distance_km": 0.37,
      "empty_slots": 13,
      "free_bikes": 1,
      "lat": 48.853883541328,
      "lon": 2.3493797332048,
      "name": "Arcole - Notre-Dame",
      "updated": "2026-10-16T03:41:02.180745+00:00Z"
    },
    {
      "distance_km": 0.38,
      "empty_slots": 19,
      "free_bikes": 0,
      "lat": 48.855258115391,
      "lon": 2.3473754525185,
      "name": "Marché aux fleurs",
      "updated": "2026-10-16T03:41:02.173541+00:00Z"
    },
    {
      "distance_km": 0.41,
      "empty_slots": 3,
      "free_bikes": 15,
      "lat": 48.852915956209,
      "lon": 2.3521957173944,
      "name": "Quai aux Fleurs - Pont Saint-Louis",
      "updated": "2026-10-16T03:41:02.173373+00:00Z"
    },
    {
      "distance_km": 0.42,
      "empty_slots": 13,
      "free_bikes": 14,
      "lat": 48.85941800703,
      "lon": 2.3559471219778,
      "name": "Blancs-Manteaux - Archives",
      "updated": "2026-10-16T03:41:02.178378+00:00Z"
    },
    {
      "distance_km": 0.42,
      "empty_slots": 18,
      "free_bikes": 4,
      "lat": 48.857992591527,
      "lon": 2.3469167947769,
      "name": "Victoria - Place du Chatelet",
      "updated": "2026-10-16T03:41:02.176685+00:00Z"
    },
    {
      "distance_km": 0.42,
      "empty_slots": 18,
      "free_bikes": 4,
      "lat": 48.860134890542,
      "lon": 2.3500636965036,
      "name": "Place Edmond Michelet",
      "updated": "2026-10-16T03:41:02.158162+00:00Z"
    },
    {
      "distance_km": 0.43,
      "empty_slots": 36,
      "free_bikes": 2,
      "lat": 48.859059340842,
      "lon": 2.3476943001151,
      "name": "Saint-Denis - Rivoli",
      "updated": "2026-10-16T03:41:02.157742+00:00Z"
    },
    {
      "distance_km": 0.43,
      "empty_slots": 6,
      "free_bikes": 18,
      "lat": 48.855692253233,
      "lon": 2.3579058051109,
      "name": "Tiron - Rivoli",
      "updated": "2026-10-16T03:41:02.177219+00:00Z"
    },
    {
      "distance_km": 0.46,
      "empty_slots": 30,
      "free_bikes": 4,
      "lat": 48.853899645527,
      "lon": 2.3569472506642,
      "name": "Hôtel de Ville - Pont-Marie",
      "updated": "2026-10-16T03:41:02.178348+00:00Z"
    }
  ],
  "totals": {
    "empty_docks": 28068,
    "free_bikes": 20102,
    "stations": 1517
  }
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://saylorinnovations.com/api/bikes/city?city=Paris&lat=48.8566&lon=2.3522'

# 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 - 'https://saylorinnovations.com/api/bikes/city?city=Paris&lat=48.8566&lon=2.3522' \
  | 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 $0.01 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.01" });
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 $0.01 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fsaylorinnovations.com%2Fapi%2Fbikes%2Fcity
const res = await pay("https://saylorinnovations.com/api/bikes/city?city=Paris&lat=48.8566&lon=2.3522");
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 $0.01 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.01"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.get("https://saylorinnovations.com/api/bikes/city?city=Paris&lat=48.8566&lon=2.3522")
    print(res.status_code, res.text)