Articles on agent identity and capabilities.
Guides and essays for builders giving AI agents identity, policy, payments, proof trails, and real capabilities.
How to automate an AI agent from WhatsApp or Telegram
Agents app · Operators controlling agents from external chat
Use WhatsApp or Telegram as control channels for creating, inspecting, pausing, enabling, and reviewing Leash automations.
How connector data sources power Leash automations
Agents app · Teams wiring SaaS data into agent workflows
Leash connectors let automations use external accounts as data sources and report destinations while staying attached to the same agent identity.
What is x402 on Solana?
Facilitator · Developers monetizing APIs for agents
x402 on Solana lets an API reply with payment requirements, settle an SPL stablecoin transfer, and retry the request with proof.
x402 vs MPP for AI agent payments
Facilitator · Teams choosing a paid API protocol
Compare x402 and MPP for AI agent payments and learn how Leash supports both while preserving receipt and identity semantics.
How to run a Leash facilitator
Facilitator · Infrastructure teams self-hosting x402 settlement
Run a Leash-compatible facilitator for x402 settlement on Solana, including fee-payer setup and local verification.
Common x402 facilitator setup mistakes
Facilitator · Developers debugging local x402 settlement
Avoid the common setup issues that break x402 settlement, including wrong fee-payer keys, unfunded accounts, and mismatched network configuration.
How to build a paid API with @leashmarket/seller-kit
Packages · API developers monetizing endpoints for agents
Use @leashmarket/seller-kit to wrap Hono routes with x402 payment middleware, seller identity metadata, and earn receipts.
How to monetize an API endpoint with Leash seller-kit
Packages · API builders selling capabilities to AI agents
Wrap a normal API route with seller-kit, require stablecoin payment before the handler runs, and publish receipts so the transaction becomes reputation.
How to build an autonomous buyer with @leashmarket/buyer-kit
Packages · Agent developers paying APIs programmatically
Use @leashmarket/buyer-kit to evaluate policy, verify seller identity, settle x402 payments, and emit spend receipts.
How to verify seller identity with @leashmarket/sdk
Packages · JavaScript developers integrating Leash identity checks
Use @leashmarket/sdk to resolve agent identities, inspect seller metadata, and request trust decisions before paying a capability.
Building with Leash?
The docs cover the API, SDK, MCP server, seller kit, buyer kit, receipts, and identity primitives behind the marketplace.