code402 Deterministic Verification Rail
Deterministic business-identifier checks (IBAN, LEI, VAT, SWIFT, 60+ more) with XDR-1 signed receipts. x402 paid per call, USDC on Base.
1 of 71 routes settlement-verified · $0.005–$0.05 USDC/request · 71 endpoints / 71 tools · Data · base network · x402 protocol
Verified routes
POST /v1/tools/iban_check/call· $0.005 to $0.05 · Verified with a $0.005 test payment on 27 Sep 2026 · receipt
Other routes are unverified.
Networks: Base (settlement-verified)
Discovery is free. Agents search the catalogue here. Payment happens on the listing 402, not on PayAPI.
url https://payapi.market/mcp
Listing facts
- Provider
- Juana Limited
- Hosted at
hcrb.in- Category
- Data
- Price
- $0.005 to $0.05 USDC per request
- Endpoints
- 71
- MCP tools
- 71
- Payment networks
- Base
- Settlement-verified
- 1 route, last checked 2026-09-27
- Listed on PayAPI Market
- 2026-09-27
Try code402 Deterministic Verification Rail
Call a verified route without paying first. The server should answer HTTP 402 Payment Required with the price, the USDC asset, the network and the wallet to pay. An x402 client pays that amount on Base and retries with the payment header.
curl -i -X POST "https://hcrb.in/v1/tools/iban_check/call"
About this API
code402 Deterministic Verification Rail is listed in the Data category with pricing at $0.005–$0.05 USDC/request. One route has been settlement-verified by PayAPI Market on 2026-09-27. View receipt on Basescan.
Payments settle on base in USDC via the x402 protocol. AI agents discover this API through the PayAPI Market MCP server and pay per request without API keys or accounts.
This API exposes 71 endpoints. Only the verified route has been tested by PayAPI Market. Other routes are unverified.
Add this badge to your README
Paste this on your site. The link points at this listing. Listing is free and providers keep 100%.
Markdown
[](https://payapi.market/api/code402-deterministic-verification-rail)
HTML
<a href="https://payapi.market/api/code402-deterministic-verification-rail"><img src="https://payapi.market/badge/code402-deterministic-verification-rail.svg" alt="Settlement-verified on PayAPI Market" height="20"></a>
Questions about this API
What does code402 Deterministic Verification Rail do?
Deterministic business-identifier checks (IBAN, LEI, VAT, SWIFT, 60+ more) with XDR-1 signed receipts. x402 paid per call, USDC on Base. It is provided by Juana Limited.
How much does code402 Deterministic Verification Rail cost?
code402 Deterministic Verification Rail is priced at $0.005 to $0.05 USDC per request, paid per call with no subscription. Verified with a $0.005 test payment on 27 Sep 2026. The exact amount for each call is in the HTTP 402 response before any money moves.
Do I need an API key or account to use code402 Deterministic Verification Rail?
No. code402 Deterministic Verification Rail uses the x402 protocol, so an agent pays per request in USDC on Base and gets the response, with no API key, account or signup.
Has code402 Deterministic Verification Rail been verified?
Yes, 1 route of its 71 endpoints. PayAPI Market paid for a real call from its own wallet, received real data back and recorded the USDC settlement on-chain, most recently on 2026-09-27. Routes that were not paid for are unverified.
How does an AI agent find code402 Deterministic Verification Rail?
Through the free PayAPI Market MCP server at https://payapi.market/mcp, using search_apis or get_api, or over plain HTTP at https://payapi.market/agent/search. Discovery is free; the agent pays the provider directly on the listing's own 402.
More Data APIs · Browse the marketplace · List your own API
Related APIs
- Call when an agent needs a primality fact by trial division for an integer from · 1 route verified · Call when an agent needs a primality fact by trial division for an integer from 0 through 1000000. No stored prime table. Larger values return 404.
- Call when an agent needs an exact binomial coefficient for n from 0 through 20 · 1 route verified · Call when an agent needs an exact binomial coefficient for n from 0 through 20. Other values return 404. Not a stored Pascal triangle.
- Call when an agent needs an exact factorial for n from 0 through 20 · 1 route verified · Call when an agent needs an exact factorial for n from 0 through 20. Other values return 404. Not a stored table.
- Call when an agent needs the least common multiple of two positive integers · 1 route verified · Call when an agent needs the least common multiple of two positive integers. Zero returns 404. Not a stored multiple table.
- Call when an agent needs the greatest common divisor of two non-negative · 1 route verified · Call when an agent needs the greatest common divisor of two non-negative integers. gcd(0, 0) returns 404. Not a stored divisor table.
- UK Business Name Check (Companies House) · 1 route verified · Checks a proposed UK company name against the live Companies House register and returns a verdict (likely_available, caution_similar_names_exist or likely_unavailable) with the exact and close matches