DevX Address Poisoning Check
Pre-send address-poisoning check for agents and wallets: pass from (sending wallet) and to (recipient). Scans the sender's real on-chain history (Ethereum, Base, optional Avalanche) and flags lookalike recipients (same first/last hex chars as a real counterparty), zero-value / dust / fake-token poisoning transfers with tx hashes, and bad EIP-55 checksums. Verdict ok|caution|danger plus the address you probably meant. Free offline lookalike check at /api/basic. Accepts x402 v1 and v2 clients.
1 route settlement-verified · $0.005 USDC/request · 1 endpoint · Verification · base network · x402 protocol
Verified routes
GET /v1/check· $0.005 · 2026-10-30 · 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/mcpListing facts
- Provider
- Made by DevX
- Hosted at
address-poisoning-check.nextill-pos.workers.dev- Category
- Verification
- Price
- $0.005 USDC per request
- Endpoints
- 1
- Payment networks
- Base
- Settlement-verified
- 1 route, last checked 2026-10-30
- Listed on PayAPI Market
- 2026-10-30
Try DevX Address Poisoning Check
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 "https://address-poisoning-check.nextill-pos.workers.dev/v1/check"About this API
DevX Address Poisoning Check is listed in the Verification category with pricing at $0.005 USDC/request. One route has been settlement-verified by PayAPI Market on 2026-10-30. 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.
Questions about this API
What does DevX Address Poisoning Check do?
Pre-send address-poisoning check for agents and wallets: pass from (sending wallet) and to (recipient). Scans the sender's real on-chain history (Ethereum, Base, optional Avalanche) and flags lookalike recipients (same first/last hex chars as a real counterparty), zero-value / dust / fake-token poisoning transfers with tx hashes, and bad EIP-55 checksums. Verdict ok|caution|danger plus the address you probably meant. Free offline lookalike check at /api/basic. Accepts x402 v1 and v2 clients. It is provided by Made by DevX.
How much does DevX Address Poisoning Check cost?
DevX Address Poisoning Check is priced at $0.005 USDC per request, paid per call with no subscription. PayAPI Market paid 0.005 USDC for one call to /v1/check when it verified the listing. 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 DevX Address Poisoning Check?
No. DevX Address Poisoning Check 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 DevX Address Poisoning Check 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 2026-10-30.
How does an AI agent find DevX Address Poisoning Check?
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 Verification APIs · Browse the marketplace · List your own API
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