Procurement Notices Record Sequence Diff
by Procurement Notices - Record seq in Onchain & crypto
Separate record changes from shared-record reordering; inserting or deleting a record does not itself reorder surviving records for buyer/notice/kind/jurisdiction/revision-pinned procurement Supplied-record analysis, not independent certification. Full contract at the free describe URL.
https://www.mahastrategies.com/api/v1/intel/procurement-notices/record-sequence-diff- Price
- $0.035
- per call in USDC
- Uptime
- 100%
- last 30 days
- Response time
- 209 ms
- 371 ms slowest 5%
- Last check
- Passed
- 22 min ago, next in 6 min
Reliability
Status and outage history · Atom feed · Watch with other listings
How to call it
POST https://www.mahastrategies.com/api/v1/intel/procurement-notices/record-sequence-diff
Each call costs $0.035284 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.
POST https://www.mahastrategies.com/api/v1/intel/procurement-notices/record-sequence-diff
content-type: application/json
{
"after": [
{
"buyerRef": "buyer-organization1",
"id": "procurement1",
"jurisdictionRef": "declared-jurisdiction1",
"noticeDigest": "sha256:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
"noticeKind": "solicitation",
"noticeRef": "synthetic-notice1",
"noticeRevision": "sha256:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
"scopeRef": "public-metadata"
}
],
"before": [
{
"buyerRef": "buyer-organization1",
"id": "procurement1",
"jurisdictionRef": "declared-jurisdiction1",
"noticeDigest": "sha256:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
"noticeKind": "solicitation",
"noticeRef": "synthetic-notice1",
"noticeRevision": "sha256:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
"scopeRef": "public-metadata"
}
],
"dataClass": "synthetic",
"nonpersonalMetadata": true
}Parameters
| Parameter | Type | Required | Description |
|---|---|---|---|
after | array | Yes | |
before | array | Yes | |
dataClass | string | Yes | One of: public, synthetic. |
nonpersonalMetadata | boolean | Yes |
Example response
The provider's example. We can't check it without paying.
Example response, 29 lines
{
"data": {
"chargedAmount": "35284",
"inputHash": "sha256:c6545a62367a2f02c8b1e06690ac37091e7b2ba8607f1e1c1666bc980…",
"limitations": [
"Public or synthetic nonpersonal metadata only; these are caller …"
],
"productId": "procurement-notices-record-sequence-diff",
"result": {
"authoritativeSourcesConsulted": false,
"domainValidationEstablished": false,
"findings": [],
"method": "procurement-notices-record-sequence-diff/1",
"metrics": [
{
"key": "procurement-notices-sequence-differences",
"recordId": "procurement-notices",
"value": "0"
}
]
},
"resultHash": "sha256:a70adfae5569469fd68887b6b4886909b6908a473df603f22700b051f…",
"version": "maha-typed-metadata-audit/1"
},
"proof": {
"settlement_id": "0x00000000000000000000000000000000000000000000000000000000000000…"
},
"success": true
}Call it from code
The curl command shows the payment challenge. The JavaScript and Python versions pay and call, and never pay more than $0.035284.
curl: see the payment challenge
# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i -X POST 'https://www.mahastrategies.com/api/v1/intel/procurement-notices/record-sequence-diff' \
-H 'content-type: application/json' \
--data-raw '{"after":[{"buyerRef":"buyer-organization1","id":"procurement1","jurisdictionRef":"declared-jurisdiction1","noticeDigest":"sha256:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa","noticeKind":"solicitation","noticeRef":"synthetic-notice1","noticeRevision":"sha256:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa","scopeRef":"public-metadata"}],"before":[{"buyerRef":"buyer-organization1","id":"procurement1","jurisdictionRef":"declared-jurisdiction1","noticeDigest":"sha256:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa","noticeKind":"solicitation","noticeRef":"synthetic-notice1","noticeRevision":"sha256:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa","scopeRef":"public-metadata"}],"dataClass":"synthetic","nonpersonalMetadata":true}'
# 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/intel/procurement-notices/record-sequence-diff' \
-H 'content-type: application/json' \
--data-raw '{"after":[{"buyerRef":"buyer-organization1","id":"procurement1","jurisdictionRef":"declared-jurisdiction1","noticeDigest":"sha256:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa","noticeKind":"solicitation","noticeRef":"synthetic-notice1","noticeRevision":"sha256:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa","scopeRef":"public-metadata"}],"before":[{"buyerRef":"buyer-organization1","id":"procurement1","jurisdictionRef":"declared-jurisdiction1","noticeDigest":"sha256:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa","noticeKind":"solicitation","noticeRef":"synthetic-notice1","noticeRevision":"sha256:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa","scopeRef":"public-metadata"}],"dataClass":"synthetic","nonpersonalMetadata":true}' \
| grep -i '^payment-required:' | cut -d' ' -f2 | tr -d '\r' | base64 --decodeJavaScript: 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 $0.035284 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.035284" });
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 $0.035284 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fwww.mahastrategies.com%2Fapi%2Fv1%2Fintel%2Fprocurement-notices%2Frecord-sequence-diff&method=POST
const res = await pay("https://www.mahastrategies.com/api/v1/intel/procurement-notices/record-sequence-diff", {
method: "POST",
headers: { "content-type": "application/json" },
body: JSON.stringify({
"after": [
{
"buyerRef": "buyer-organization1",
"id": "procurement1",
"jurisdictionRef": "declared-jurisdiction1",
"noticeDigest": "sha256:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
"noticeKind": "solicitation",
"noticeRef": "synthetic-notice1",
"noticeRevision": "sha256:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
"scopeRef": "public-metadata"
}
],
"before": [
{
"buyerRef": "buyer-organization1",
"id": "procurement1",
"jurisdictionRef": "declared-jurisdiction1",
"noticeDigest": "sha256:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
"noticeKind": "solicitation",
"noticeRef": "synthetic-notice1",
"noticeRevision": "sha256:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
"scopeRef": "public-metadata"
}
],
"dataClass": "synthetic",
"nonpersonalMetadata": true
}),
});
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 $0.035284 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.035284"})
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/intel/procurement-notices/record-sequence-diff",
json={
"after": [
{
"buyerRef": "buyer-organization1",
"id": "procurement1",
"jurisdictionRef": "declared-jurisdiction1",
"noticeDigest": "sha256:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
"noticeKind": "solicitation",
"noticeRef": "synthetic-notice1",
"noticeRevision": "sha256:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
"scopeRef": "public-metadata",
},
],
"before": [
{
"buyerRef": "buyer-organization1",
"id": "procurement1",
"jurisdictionRef": "declared-jurisdiction1",
"noticeDigest": "sha256:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
"noticeKind": "solicitation",
"noticeRef": "synthetic-notice1",
"noticeRevision": "sha256:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
"scopeRef": "public-metadata",
},
],
"dataClass": "synthetic",
"nonpersonalMetadata": True,
},
)
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
| When | Result | HTTP | Time | Price |
|---|---|---|---|---|
| 22 min ago | Passed | 402 | 371 ms | $0.035 |
| 5 h ago | Passed | 402 | 199 ms | $0.035 |
| 9 h ago | Passed | 402 | 209 ms | $0.035 |
| 19 h ago | Passed | 402 | 222 ms | $0.035 |