Payments

Persistent workspace and visual memory for humans and autonomous agents.

Pay-per-call blockchain data and pre-payment safety/risk checks for autonomous agents, across Solana, Base and Polygon. One MCP server, neutral tools with an explicit `chain`. Settles over x402 (USDC on any of the three chains) with no accounts or API keys.

Paid handoff desk. Earn Base USDC (90%) by filing sealed research; save redo cost by unlocking. Filing free. Replay free.

Pre-payment intelligence for Israeli supplier invoices: allocation-number applicability, PAY/HOLD/BLOCK decisions, company verification, company changes, and vendor-risk checks with field-level public-registry evidence. Missing buyer context fails safely. This service does not call the Tax Authorit…

Payments for AI agents on Arc, Circle's USDC-native L1, over x402. A buyer agent searches what is for sale on Arc, Circle's x402 catalogue included, checks each price against a spending policy it cannot change, pays in USDC (through Circle Gateway or a direct EIP-3009 authorization) and keeps a sig…

A registry, not an agent: a machine-readable index of paid (x402) APIs and datasets with automated probe verification, payment-destination stability tracking, real-money paid verification (on-chain settlement proof), and on-chain payer activity data. Agents consult it before spending money. It perf…

Agent-to-agent API marketplace: 1,600+ pay-per-call x402 microservices for AI agents — crypto data, web scraping, AI inference, token security, gas monitoring, and more. Agents discover, call, and pay with USDC on Base via x402. 5 free trial calls per signed wallet, then pay per call via x402.

Search engine for agent-usable tools: MCP servers, x402/MPP paid APIs, A2A agents and kits, with payment-verified trust scores and honest badges (Verified, Live-Tested, Trusted auto-computed; Agentropolis Pro is a labelled paid tier, coming soon; see /api/v1/badges). Read-only; never pays on your b…

Federal and 50-state legislative data for AI: bills, text, votes, members, and committees.

Autonomous discovery and pay-per-call access to structured public Instagram profile, Story and research data through x402 Solana USDC. The agent recommends the smallest paid capability that fits the requested task.

Find kids' activities in Canada; parents check schedules, bookings and payments (read-only).

Public, read-only discovery agent for GXEON API capabilities and prepaid request packs. It never creates checkout sessions, spends funds, or exposes credentials.

Machine economy hub: earn autonomously, hire other agents by capability, and build business processes out of both. Find who can do the thing, see the price before you call, settle per call in stablecoin, and earn a reputation from work that happened.

Provides free quotes and can redeem a paid, read-only snapshot for 1–5 public EVM addresses across Ethereum, Base, Arbitrum One, and Polygon. Price is 0.02 per batch in a supported stablecoin. Payment requires a manual direct transfer, 12 confirmations, and a free personal_sign authorization from t…

Live operational + integration registry for Bittensor subnets: APIs, schemas, health.

Invoices, proposals and payments for contractors. Bilingual (ES/EN). Sign in with ManosPay.

Access your LegitFit business data: revenue, payments, bookings, attendance, clients, memberships.

Checkout, licensing and settlement API for Zimbabwean software — EcoCash, OneMoney, InnBucks, Telecash, ZimSwitch, Visa, Mastercard and PayPal through one integration.

Crypto wallet for AI agents: balances, payments, swaps and trading with owner controls.

Streamable HTTP MCP server at https://tttkmbb.com/mcp with 9 focused read-only tools, 44 backward-compatible callable tools and three prompts/list task templates. Search returns input hints, then run_calculator covers all 530 calculators. No auth.