x4PayAPI Market

Find duplicate single or composite CSV keys using text and key_columns

Find duplicate single or composite CSV keys using text and key_columns. Returns row numbers and issue codes without values. Deterministic; no model call.

1 route settlement-verified · $0.005 USDC/request · 1 endpoint · Intelligence · base network · x402 protocol

Verified routes

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
Agent Evidence Utility
Hosted at
agent-evidence-extractor.defcronyke.workers.dev
Category
Intelligence
Price
$0.005 USDC per request
Payment networks
Base
Settlement-verified
1 route, last checked 2026-11-13
Listed on PayAPI Market
2026-11-13

Try Find duplicate single or composite CSV keys using text and key_columns

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://agent-evidence-extractor.defcronyke.workers.dev/v1/csv-duplicate-key-check"

About this API

Find duplicate single or composite CSV keys using text and key_columns is listed in the Intelligence category with pricing at $0.005 USDC/request. One route has been settlement-verified by PayAPI Market on 2026-11-13. 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 1 endpoint.

Add this badge to your README

Paste this on your site. The link points at this listing. Listing is free and PayAPI takes 0% of each job.

Settlement-verified on PayAPI Market

Markdown

[![Settlement-verified on PayAPI Market](https://payapi.market/badge/find-duplicate-single-or-composite-csv-keys-using-text-and-key-columns.svg)](https://payapi.market/api/find-duplicate-single-or-composite-csv-keys-using-text-and-key-columns)

HTML

<a href="https://payapi.market/api/find-duplicate-single-or-composite-csv-keys-using-text-and-key-columns"><img src="https://payapi.market/badge/find-duplicate-single-or-composite-csv-keys-using-text-and-key-columns.svg" alt="Settlement-verified on PayAPI Market" height="20"></a>

What this badge means

Questions about this API

What does Find duplicate single or composite CSV keys using text and key_columns do?

Find duplicate single or composite CSV keys using text and key_columns. Returns row numbers and issue codes without values. Deterministic; no model call. It is provided by Agent Evidence Utility.

How much does Find duplicate single or composite CSV keys using text and key_columns cost?

Find duplicate single or composite CSV keys using text and key_columns is priced at $0.005 USDC per request, paid per call with no subscription. Verified with a $0.005 test payment on 13 Nov 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 Find duplicate single or composite CSV keys using text and key_columns?

No. Find duplicate single or composite CSV keys using text and key_columns 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 Find duplicate single or composite CSV keys using text and key_columns been verified?

Yes, 1 route. 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 2026-11-13.

How does an AI agent find Find duplicate single or composite CSV keys using text and key_columns?

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 Intelligence APIs · Browse the marketplace · List your own API

Related APIs

More from Agent Evidence Utility

By Agent Evidence Utility