ToolVet
78trust / 100

Ecology Observations Revision Delta Map

by mahastrategies.com in Weather & location

x402 APIPassing, checked 2 h ago

Enumerate owner, subject, revision, content and scope pin changes by stable record ID in two supplied revisions for public dataset/observation/event/taxon/method Supplied-record analysis, not independent certification. Full contract at the free describe URL.

POST
https://www.mahastrategies.com/api/v1/compute/ecology-observations/revision-delta-map
Price
$0.021
per call in USDC
Uptime
100%
last 30 days
Response time
229 ms
468 ms slowest 5%
Last check
Passed
2 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

POST https://www.mahastrategies.com/api/v1/compute/ecology-observations/revision-delta-map

Each call costs $0.021315 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/compute/ecology-observations/revision-delta-map
content-type: application/json

{
  "after": [
    {
      "datasetRef": "dataset1",
      "eventRef": "event1",
      "id": "observation1",
      "methodDigest": "sha256:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
      "observationDigest": "sha256:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
      "observationRef": "obs1",
      "recordRevision": "sha256:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
      "scopeRef": "public-metadata",
      "taxonRef": "synthetic-taxon1"
    }
  ],
  "before": [
    {
      "datasetRef": "dataset1",
      "eventRef": "event1",
      "id": "observation1",
      "methodDigest": "sha256:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
      "observationDigest": "sha256:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
      "observationRef": "obs1",
      "recordRevision": "sha256:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
      "scopeRef": "public-metadata",
      "taxonRef": "synthetic-taxon1"
    }
  ],
  "dataClass": "synthetic",
  "nonpersonalMetadata": true
}

Parameters

ParameterTypeRequiredDescription
afterarrayYes
beforearrayYes
dataClassstringYes One of: public, synthetic.
nonpersonalMetadatabooleanYes

Example response

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

Example response, 29 lines
{
  "data": {
    "chargedAmount": "21315",
    "inputHash": "sha256:b238aba58b6dc1e6e0307d5fb024bf76da63710305ba24c03c158570a…",
    "limitations": [
      "Public or synthetic nonpersonal metadata only; these are caller …"
    ],
    "productId": "ecology-observations-revision-delta-map",
    "result": {
      "authoritativeSourcesConsulted": false,
      "domainValidationEstablished": false,
      "findings": [],
      "method": "ecology-observations-revision-delta-map/1",
      "metrics": [
        {
          "key": "ecology-observations-changed-revision-pins",
          "recordId": "ecology-observations",
          "value": "0"
        }
      ]
    },
    "resultHash": "sha256:c6b07ecae39ee6b862564f9ece328bb59e7392d0583c963e86f0ba2f5…",
    "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 $0.021315.

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/compute/ecology-observations/revision-delta-map' \
  -H 'content-type: application/json' \
  --data-raw '{"after":[{"datasetRef":"dataset1","eventRef":"event1","id":"observation1","methodDigest":"sha256:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa","observationDigest":"sha256:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa","observationRef":"obs1","recordRevision":"sha256:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa","scopeRef":"public-metadata","taxonRef":"synthetic-taxon1"}],"before":[{"datasetRef":"dataset1","eventRef":"event1","id":"observation1","methodDigest":"sha256:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa","observationDigest":"sha256:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa","observationRef":"obs1","recordRevision":"sha256:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa","scopeRef":"public-metadata","taxonRef":"synthetic-taxon1"}],"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/compute/ecology-observations/revision-delta-map' \
  -H 'content-type: application/json' \
  --data-raw '{"after":[{"datasetRef":"dataset1","eventRef":"event1","id":"observation1","methodDigest":"sha256:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa","observationDigest":"sha256:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa","observationRef":"obs1","recordRevision":"sha256:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa","scopeRef":"public-metadata","taxonRef":"synthetic-taxon1"}],"before":[{"datasetRef":"dataset1","eventRef":"event1","id":"observation1","methodDigest":"sha256:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa","observationDigest":"sha256:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa","observationRef":"obs1","recordRevision":"sha256:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa","scopeRef":"public-metadata","taxonRef":"synthetic-taxon1"}],"dataClass":"synthetic","nonpersonalMetadata":true}' \
  | 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 $0.021315 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.021315" });
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 $0.021315 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fwww.mahastrategies.com%2Fapi%2Fv1%2Fcompute%2Fecology-observations%2Frevision-delta-map&method=POST
const res = await pay("https://www.mahastrategies.com/api/v1/compute/ecology-observations/revision-delta-map", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "after": [
      {
        "datasetRef": "dataset1",
        "eventRef": "event1",
        "id": "observation1",
        "methodDigest": "sha256:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
        "observationDigest": "sha256:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
        "observationRef": "obs1",
        "recordRevision": "sha256:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
        "scopeRef": "public-metadata",
        "taxonRef": "synthetic-taxon1"
      }
    ],
    "before": [
      {
        "datasetRef": "dataset1",
        "eventRef": "event1",
        "id": "observation1",
        "methodDigest": "sha256:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
        "observationDigest": "sha256:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
        "observationRef": "obs1",
        "recordRevision": "sha256:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
        "scopeRef": "public-metadata",
        "taxonRef": "synthetic-taxon1"
      }
    ],
    "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 $0.021315 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.021315"})
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/compute/ecology-observations/revision-delta-map",
        json={
            "after": [
                {
                    "datasetRef": "dataset1",
                    "eventRef": "event1",
                    "id": "observation1",
                    "methodDigest": "sha256:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
                    "observationDigest": "sha256:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
                    "observationRef": "obs1",
                    "recordRevision": "sha256:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
                    "scopeRef": "public-metadata",
                    "taxonRef": "synthetic-taxon1",
                },
            ],
            "before": [
                {
                    "datasetRef": "dataset1",
                    "eventRef": "event1",
                    "id": "observation1",
                    "methodDigest": "sha256:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
                    "observationDigest": "sha256:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
                    "observationRef": "obs1",
                    "recordRevision": "sha256:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
                    "scopeRef": "public-metadata",
                    "taxonRef": "synthetic-taxon1",
                },
            ],
            "dataClass": "synthetic",
            "nonpersonalMetadata": True,
        },
    )
    print(res.status_code, res.text)

Security scan

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Recent checks

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