DropEngine x402 Agent Services

Paid Whale Intelligence ($0.02 USDC). Summarizes large public GeckoTerminal-indexed DEX trades for a token address on a supported chain. Large-trader labels are size-based heuristics, not verified whale identities; data is not chain-wide. Wallet mode uses Helius (Solana) or Etherscan API V2 (EVM) when configured, returning recent indexed transactions only; it does not claim complete balances or whale labels.

Paid Strategy Backtest ($0.10 USDC). Tests built-in long-only spot strategies against bounded public Binance OHLCV history. Signals form at candle close and execute at the next candle open. Applies configured fees/slippage; accepts declarative parameters only and never executes user code. Historical results are not predictions.

Paid Change / Diff Check ($0.001 USDC). Checks normalized text on a public HTTPS page against a previous SHA-256 hash, returning a compact diff when a prior snapshot is available.

Paid Package Safety Gate ($0.005 USDC on Base). Call before a coding agent installs, imports, or adds an unfamiliar npm dependency. Checks resolved package/version, OSV vulnerabilities and malware advisories, popular-name typosquatting, and install lifecycle scripts using static analysis only. Package code is never executed. Checks up to 10 direct dependencies when their versions can be resolved; it does not traverse transitive dependencies or assess maintainer history. Unknown coverage returns caution.

Paid Agent Preflight URL check ($0.005 USDC on Base). Call before an agent opens, follows, downloads from, or trusts an unknown URL. Performs deterministic checks, safely inspects HTTPS redirects without loading page content, blocks localhost/private addresses, and optionally queries Google Web Risk when configured. No LLM is used. A clean result is not a guarantee of safety.

Paid Wallet Risk Check ($0.02 USDC on Base). Call before an agent sends funds to, accepts value from, grants an approval to, or interacts with an unfamiliar address. Checks whether the address is a wallet or contract and reads basic on-chain metadata. Sanctions, scam, drainer, mixer, and malicious-address intelligence are unknown unless a trusted provider is configured; without one, the result is cautious and low-confidence, not a safety certification. Never send private keys or seed phrases.

Paid Trade Execution Quote ($0.01 USDC). Gets an indicative swap quote before a trade; supports Solana via Jupiter and EVM via 0x when provider keys are configured. Requires token addresses and decimals for custom assets. Returns estimated output and quote source. Read-only: never signs, submits, or executes.

Paid Fresh Structured Extract ($0.01 USDC). Extracts a fresh webpage into a simple agent-defined typed JSON shape, with validation and per-field provenance. Uses static page data only; never executes page JavaScript and never fabricates missing fields.

Paid Live Product Quote ($0.01 USDC). Retrieves explicitly published product price and stock from a public HTTPS product page before an agent buys; shipping, tax and unknown values remain null. Never purchases.

Paid invoice check ($0.065 USDC on Base): UBL XML or complete PDF/image invoices up to 3 pages. Compares expected purchase fields and line items; returns evidence, amount checks and match/discrepancy/needs_review. No payment or bookkeeping action is taken.

Paid invoice OCR ($0.13 USDC on Base): process complete PDF/image invoices up to 10 pages. Oversized PDFs are rejected before OCR.

Paid invoice OCR ($0.475 USDC on Base): process complete PDF/image invoices up to 50 pages. Oversized PDFs are rejected before OCR.

FREE, no wallet or document upload: choose the lowest priced Invoice Preflight tool from document type, PDF page count, and optional byte size. Call this before a paid invoice tool when the tier is uncertain. It does not inspect or validate the document.

Paid read-only MCP check ($0.01 USDC on Base): verify a public HTTPS MCP endpoint, list tool names, summarize input schemas, compare expected tool names, and flag risky metadata. Inspected tools are never called.

Paid Agent Tool Router ($0.002 USDC on Base). Finds and ranks machine-payable MCP services and x402 HTTP endpoints before your agent chooses or pays a provider. Uses structured capability matching, hard constraints, price, observed latency/reliability, and cold-start trust confidence; no LLM call is required. Returns a recommendation only: it never invokes the selected provider or makes a second payment. Without X402_BAZAAR_DISCOVERY_URLS, results come only from this platform's local service registry and are marked degraded.

Paid Arbitrage Intelligence ($0.03 USDC). Compares Binance and Coinbase public spot order books at a requested trade size and applies caller- or server-configured taker fee assumptions. Rejects stale books. Excludes transfers, inventory rebalancing, and guaranteed execution; does not place orders.

Paid Untrusted Content Security Layer ($0.005 USDC on Base). Scan untrusted text, HTML, Markdown, email, document text, API responses, and tool outputs before your agent adds them to context, follows their instructions, or acts. Returns risk score, risk categories, recommendation, and sanitized plain text when possible. Bounded deterministic local scanning; no external LLM or provider call. Maximum 100000 characters.

Paid Transaction Preflight ($0.02 USDC on Base). Simulates an unsigned Base transaction before an autonomous agent signs or broadcasts it. Returns RPC execution/revert status, gas estimate, known top-level method decoding, direct ERC-20 transfer/approval calldata, unlimited approval warnings, and machine-readable risk. Standard JSON-RPC does not expose full internal token state changes; do not treat calldata decoding as a complete state diff. Never send a private key or seed phrase. This tool never signs, holds keys, or broadcasts.

Paid Token Security Audit ($0.01 USDC). Normalizes GoPlus token-security flags and public EVM RPC metadata for supported EVM tokens. Requires GOPLUS_ACCESS_TOKEN; if it is missing, returns a provider-unavailable error before payment. Reports provider findings separately from deterministic internal scoring. Does not trade or guarantee token safety.

Paid Freshness / Claim Verifier ($0.02 USDC). Checks a factual claim against fresh web search evidence and returns supported/contradicted/mixed/insufficient/stale with sources. Requires TAVILY_API_KEY. If the key is missing, returns a provider-unavailable error before requesting payment. Claim text is sent to the configured search provider.