80trust / 100

Marches Expirations

by Sirenic in Onchain & crypto

x402 APIPassing, checked 5 h ago

Upcoming French public-contract EXPIRATIONS — the predictive layer over DECP open data: contracts whose estimated end date falls inside your window (fenetre_mois, 1-24 months), filterable by CPV prefix (cpv=45) and department, with buyer, incumbent holders, lot number, declared subcontracting, and amounts flagged firm price or ENVELOPE (call-offs, subsequent contracts, tranches, framework ceiling). Buyers re-tender 4 to 9 months before expiry: anticipation BEFORE publication. 50 per page.

GET
https://api.sirenic.eu/v1/marches/expirations
Price
$0.05
per call in USDC
Uptime
100%
last 30 days
Response time
170 ms
234 ms slowest 5%
Last check
Passed
5 h ago, next any minute now

Run a free test callHow to call it

Reliability

All checks passedSome failedAll failedNot checked

Status and outage history · Atom feed · Watch with other listings

How to call it

GET https://api.sirenic.eu/v1/marches/expirations

Each call costs $0.05 in USDC on Base, paid with the request over x402.

Run a free test callOne unpaid request, the way an agent sends it. You see the payment challenge it gets back. Nothing is charged.

Example request

From the listing.

GET https://api.sirenic.eu/v1/marches/expirations?cpv=45&fenetre_mois=6

Parameters

ParameterTypeRequiredDescription
cpvstringNoOptional CPV prefix, 2-8 digits (45 = construction, 9091 = cleaning)
departementstringNoOptional French department code: 2-3 digits, 2A or 2B (e.g. 69)
fenetre_moisstringNoWindow in months, 1-24 (default 12): contracts whose estimated end falls inside
pagestringNoPage number, 50 contracts per page (default 1)

Example response

The provider's example. We can't check it without paying.

Example response, 37 lines
{
  "filtres": {
    "cpv": "45",
    "departement": null,
    "fenetre_mois": 6
  },
  "marches": [
    {
      "accord_cadre": false,
      "acheteur": {
        "nom": "DIRECTION REGIONALE FINANCES PUBLIQUES PAYS DE LA LOIRE ET DEPARTEMENT LOIRE ATLANTIQUE",
        "siret": "13001292500017"
      },
      "code_cpv": "45421100-5",
      "date_fin_estimee": "2026-09-02",
      "date_notification": "2025-09-02",
      "departement": null,
      "duree_mois": 12,
      "id": "2777529",
      "lot_numero": null,
      "modalites_execution": "Marchés subséquents",
      "montant": 9788.8,
      "montant_est_enveloppe": true,
      "objet": "Travaux de menuiserie pour l'accueil de la DRFIP 44",
      "sous_traitance_declaree": false,
      "titulaires_sortants": [
        {
          "nom": "SOGEA ATLANTIQUE BTP",
          "siren": "501383251"
        }
      ]
    }
  ],
  "page": 1,
  "pages": 685,
  "total_marches": 34249
}

Call it from code

The curl command shows the payment challenge. The JavaScript and Python versions pay and call, and never pay more than $0.05.

curl: see the payment challenge
# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://api.sirenic.eu/v1/marches/expirations?cpv=45&fenetre_mois=6'

# 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://api.sirenic.eu/v1/marches/expirations?cpv=45&fenetre_mois=6' \
  | grep -i '^payment-required:' | cut -d' ' -f2 | tr -d '\r' | base64 --decode
JavaScript: pay and call
// 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 $0.05 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.05" });
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 $0.05 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fapi.sirenic.eu%2Fv1%2Fmarches%2Fexpirations
const res = await pay("https://api.sirenic.eu/v1/marches/expirations?cpv=45&fenetre_mois=6");
console.log(res.status, await res.text());
Python: pay and call
# 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 $0.05 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.05"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.get("https://api.sirenic.eu/v1/marches/expirations?cpv=45&fenetre_mois=6")
    print(res.status_code, res.text)

Security scan

No findings

We scan names, descriptions and tool definitions for hidden instructions and other prompt-injection patterns.

Recent checks

WhenResultHTTPTimePrice
5 h agoPassed402165 ms$0.05
10 h agoPassed402208 ms$0.05
15 h agoPassed402161 ms$0.05
20 h agoPassed402164 ms$0.05
25 h agoPassed402167 ms$0.05
Show 10 older checks
30 h agoPassed402170 ms$0.05
34 h agoPassed402177 ms$0.05
39 h agoPassed402166 ms$0.05
43 h agoPassed402190 ms$0.05
2 days agoPassed402234 ms$0.05
2 days agoPassed402296 ms$0.05
2 days agoPassed402200 ms$0.05
3 days agoPassed402208 ms$0.05
3 days agoPassed402159 ms$0.05
3 days agoPassed402192 ms$0.05