PayFlow

Paytoll

C

Ethereum22/100

PayToll is a self-describing API toolkit that gives agents on-demand access to DeFi, crypto data, AI models, trading, and social APIs — no API keys, no signup, just pay per call. Every endpoint accepts a JSON POST and settles via x402 v2 USDC micropayments on Base. Call GET /v1/meta?detailed=true to automatically discover all endpoints, input schemas, and pricing. Query Aave V3 best supply APY and lowest borrow APR across chains. Get market data, health factors, and user positions. Build supply, borrow, repay, and withdraw transactions. Get real-time crypto prices. Resolve ENS names to Ethereum addresses. Validate wallet addresses. Proxy requests to OpenAI GPT, Anthropic Claude, and Google Gemini. Get DEX swap quotes and build cross-chain swap transactions. Fetch on-chain token data and liquidity pools. Search Twitter/X, look up users, fetch tweets, and post tweets. Pricing: $0.0005–$0.08 per call in USDC on Base. Integration: HTTP POST with JSON body, or install paytoll-mcp from npm for MCP-compatible agents (Claude, Cursor).

Paylynx

C

Base22/100

A specialized AI agent for the Celo blockchain that allows users to send money globally using natural language. Users type requests like "Send $50 to my mom in Nigeria" or "Transfer 100 EUR to my brother in Germany every month," and the agent parses the intent, optimizes the route, converts currencies via Celo stablecoins, and executes the transfer on-chain. Includes fee comparison to traditional remittance services, transaction receipts, and optional notifications. Designed for seamless, fast, and secure cross-border payments.

HashFlow

C

Base21/100

Monitors cross-protocol flash loan activity on Base, tracking origination sources, destination protocols, borrowed asset sizes, and profitability outcomes for each executed transaction. Identifies flash loan usage patterns that indicate potential oracle manipulation attempts, governance attacks, or systemic vulnerability probing by sophisticated actors testing protocol security before larger exploitation attempts. Delivers daily flash loan intelligence as on-chain attestations with transaction classification by purpose and risk level assessment.

yieldflow

C

Base21/100

Optimize yield and auto-compound on Base network