x402 Data Products · Base Mainnet · Live

Pay-per-call data for AI agents.

USDC settlement on Base mainnet via the open x402 protocol. No accounts. No API keys. No monthly minimums. Sign an EIP-3009 transfer authorization, get the data, get an on-chain receipt.

8 endpoints $0.02–$2.00 per call USDC on Base 2 tiers · data & insight

Data Wraps

Deterministic passthrough from canonical upstream sources. Zero hallucination risk by architecture. Every result includes source attribution. Same x402 protocol, same on-chain receipt structure across the line.

Sanctions Screen
Live
OFAC, UN, EU, UK and 100+ sanctions lists. Name + DOB + country in, normalized match score with provenance out. On-chain receipt as compliance evidence.
$0.25 USDC per call
Endpoint/api/sanctions/screen
Pay to0x8A74c239DeDc0bB9Ee68eAEeC168Cca985f82F58
Cache TTL24 hours
View Live 402 Response →
Aviation Weather Bundle
Live
ICAO airport code in. METAR + TAF + 24-hour hourly forecast out, normalized in one call. Single endpoint, batch up to 10 airports.
$0.10 USDC per call
Endpoint/api/aviation/weather
Pay to0x41a90Fc1D1D7FE22aCc8aB1DdB978ed65205C56F
Cache TTL10 minutes
View Live 402 Response →
US Mortgage & Macro Rates
Live
No input needed. Returns 30yr/15yr fixed mortgage rates, prime, fed funds, and CPI year-over-year inflation in one call. Sourced live from FRED — same Freddie Mac PMMS data every legitimate mortgage tool quotes.
$0.02 USDC per call
Endpoint/api/mortgage/rates
Pay to0x0d59A2a9E70fa6574dFA78c0AB5250C3aCcbB956
Cache TTL24 hours
View Live 402 Response →
US Property Dossier
Live
US street address in. 50-field dossier out: ATTOM property + Census ACS5 demographics + FEMA flood zone + EPA AQI + USGS quake history + NWS severe weather.
$2.00 USDC per call
Endpoint/api/property/dossier
Pay to0x420999608f6f05a007a89EAa77BcE8D81bd3Ae4B
Cache TTL90 days
View Live 402 Response →
Wallet Balance Validator
Live
Wallet address + token contract + required threshold in. Bounded JSON out: current on-chain balance, sufficient / deficient flag, deficit amount, last block read, on-chain proof. Built for crypto-collateral underwriting flows where the recommendation engine needs to verify the borrower actually holds the collateral they claim.
$0.02 USDC per call
Endpoint/functions/v1/cortex402-wallet-balance
Networksbase · ethereum · arbitrum · optimism · polygon
Tokensnative + ERC-20 (USDC, USDT, WETH, WBTC, DAI, +caller-supplied address)
Cache TTLnone — every call is a fresh on-chain read
Pay to0x1372C2140105Ff1DD77f148B8AD5bb976cc7eC0f
View Live 402 Response →

Insight Wraps

LLM-driven interpretive analysis under strict guardrails — bounded JSON schema, refuse-to-answer (HTTP 422) on insufficient input, confidence score per claim, per-claim source attribution back to the input element, no fabricated facts, versioned model + prompt in every response. Same x402 protocol as the Data Wraps above; separate brand bucket so callers know what they're paying for.

Neuro Content Scan
In Development
Content text + optional image in. Bounded JSON out: neuromarketing analysis tuned to the target platform (headline activation, hook strength, CTA dominance, time-to-comprehend) plus a platform-optimized rewrite. Per-claim citations back to the input. Two-call pipeline per request — activation profile then platform-specific analysis & rewrite.
$1.00 USDC per call (when live)
Endpoint/api/insight/neuro
Platformshero · linkedin · facebook · x · instagram · email · campaign
Includes2 analysis passes per call (any platform)
AuditDocuBurn 3-event lifecycle on Base — received · delivered · burned
Pay togenerated on activation
StatusHTTP 503 — payment refused until activation
Coming soon
Financial Intel
In Development
Bank statement or financial document in. Bounded JSON out: PII-scrubbed transaction patterns, income / expense classification, recurring obligations, and risk signals. Per-claim citations back to source pages. Built for AI underwriters and financial advisors automating intake review.
$1.00 USDC per call (when live)
Endpoint/api/insight/financial
Includes1 analysis pass per call
AuditDocuBurn 3-event lifecycle on Base — received · delivered · burned
Pay togenerated on activation
StatusHTTP 503 — payment refused until activation
Coming soon
Loan Underwriting Recommendations
In Development
Borrower profile + asset details + requested terms in. Bounded JSON out: recommended decision (approve / deny / conditional), recommended rate, term, max LTV, conditions, risk factors with per-claim citations, and a structured rationale. Calling agent can prefill any subset of fields — engine handles partial input, flags missing critical data, and notes which additional fields would change the recommendation. Optional: caller posts their own underwriting guidelines (markdown) and the engine applies them as the authoritative ruleset with our intelligence layer overlaid as advisory pattern detection. Schema cloned from IMC's proven /imc/apply.html intake flow. Built for AI loan officers, fintech apps, and underwriter co-pilots.
Output is a recommendation only and does not constitute a final underwriting decision. No credit pull is performed — caller supplies declared FICO band or score. No data is stored on our end — input and output are evicted from process memory after response. Reg B (ECOA) protected-class fields are rejected at intake; recommendations cite only permissible underwriting factors (income, DTI, LTV, employment stability, asset condition). Per-state restriction logic applied where the requested product is non-compliant. Caller is responsible for FCRA compliance on input data, regulatory licensing for the lending product, adverse action notice delivery, and final approval per applicable lending laws.
$2.00 USDC per call (when live)
Endpoint/api/insight/underwrite
Platformsauto · mortgage · refi · heloc · personal · credit_card · business · sba · equipment
AI prefillany field optional · partial-input tolerant · missing-data flagged
BYO guidelinesoptional caller-posted UW manual (markdown)
Credit datadeclared FICO band or score — no credit pull performed
State coverageall 50 + DC · restricted-state logic adjusts product rec
Reg B postureprotected-class fields rejected · UW-factor-only rationale
Storagestateless · no PII retained · in-process only
Compliance classnot a CRA (FCRA) · not a data controller (GDPR/CCPA) · not a final UW decision
Schema sourcecloned from IMC /imc/apply.html proven intake flow
Includes2 analysis passes per call (extract + reason)
AuditDocuBurn 3-event lifecycle on Base — received · delivered · burned
Pay togenerated on activation
StatusHTTP 503 — payment refused until activation
Coming soon
Volume pricing

Running heavy traffic? Need a per-call adjustment for sustained volume?

Just reach out — we’re always willing to help where we can. support@innovativeblockchainsolutions.live →

How a call works

Standard x402 protocol. Any compliant client (Coinbase x402-fetch, x402-axios, custom EIP-3009 signer) talks to these endpoints with zero per-vendor integration.

1
Agent calls the endpoint
Plain HTTP POST. No auth. No Authorization header. Just request body.
2
Server returns HTTP 402
Body contains canonical PaymentRequiredResponse — receiving address, amount in atomic USDC, network (base), and the EIP-712 domain for signing.
3
Agent signs EIP-3009 authorization
Wallet signs a transferWithAuthorization for the exact USDC amount, addressed to our wallet. No gas required from the agent — the facilitator pays settlement gas.
4
Retry with X-PAYMENT header
Same request, plus the signed authorization base64-encoded in the X-PAYMENT header. Coinbase facilitator verifies + settles on-chain. Server returns the data plus an X-PAYMENT-RESPONSE header containing the on-chain tx hash.
curl — first call (no payment)
# Step 1: hit the endpoint with no payment
curl -X POST https://cortex402.vercel.app/api/sanctions/screen \
  -H "Content-Type: application/json" \
  -d '{"name":"Jane Doe","dob":"1985-03-12","country":"US"}'

# → HTTP/2 402 Payment Required
{
  "x402Version": 1,
  "accepts": [{
    "scheme": "exact",
    "network": "base",
    "maxAmountRequired": "500000",
    "payTo": "0x8A74c239...",
    "asset": "0x833589fC...",
    "resource": "https://cortex402...",
    "extra": { "name": "USD Coin", "version": "2" }
  }]
}

Why CorteX402

Building any of these wraps yourself means juggling 3–6 upstream APIs, a payment integration, and ongoing maintenance. We absorbed that cost so AI agents can call one endpoint.

No accounts, no keys

You don't sign up. You don't get rate-limited by an account tier. Your wallet pays per call. AI agents don't fill out forms.

Real on-chain receipt

Every successful call returns a Base mainnet transaction hash in the X-PAYMENT-RESPONSE header. Use it as compliance evidence, audit trail, or proof-of-work.

Below budget-review

$0.10 to $2.00 per call. No monthly minimums. No annual contracts. AI agent builders can prototype against us without filling out a procurement form.

Open standard

We don't invent our own protocol. Standard x402. If you can use x402-fetch or any other x402 client, you can use CorteX402.

Built by Innovative Blockchain Solutions. Sister product of CORTEX CRM.
Questions? Email support@innovativeblockchainsolutions.live.
No tax advice, no legal advice, no financial advice. CorteX402 surfaces normalized public data. You are responsible for how you use it.