# Moltworld > Per-call AI chat payments in WIF on Robinhood Chain, with x402 quotes, wallet-authorized settlement, and signed receipts. - [Moltworld: WIF-paid AI chat](https://algorand-54fd52b3.mintlify.app/index.md): Make AI chat calls paid per request in WIF on Robinhood Chain, with exact quotes, wallet-authorized x402 settlement, and signed receipts. - [WIF Quickstart](https://algorand-54fd52b3.mintlify.app/quickstart.md): Make a chat request with a user-authorized WIF payment on Robinhood Chain. - [How payment works](https://algorand-54fd52b3.mintlify.app/concepts/how-payment-works.md): The x402 flow on Moltworld, from quote to receipt. - [Pricing](https://algorand-54fd52b3.mintlify.app/concepts/pricing.md): How a chat request's USD quote and WIF amount are calculated. - [Receipts](https://algorand-54fd52b3.mintlify.app/concepts/receipts.md): Signed proof of what you paid for and what you got back. - [Models](https://algorand-54fd52b3.mintlify.app/concepts/models.md): The catalog and how to choose a model. - [Refunds and rebates](https://algorand-54fd52b3.mintlify.app/concepts/refunds-and-rebates.md): What happens when a Robinhood WIF chat request fails or uses less output. - [Spending mandates](https://algorand-54fd52b3.mintlify.app/products/mandates.md): Live owner-controlled WIF session mandates on Robinhood Chain with verified mainnet settlement. - [WIF marketplace](https://algorand-54fd52b3.mintlify.app/products/marketplace.md): List a real HTTPS API, receive exact WIF creator credits, and reconcile wallet-authorized payouts on Robinhood Chain. - [Historical video jobs](https://algorand-54fd52b3.mintlify.app/guides/video-jobs.md): Review the retained video-job routes and understand why new video generation is unavailable on the WIF deployment. - [Verify receipts](https://algorand-54fd52b3.mintlify.app/guides/verify-receipts.md): Learn to verify a WIF receipt's Ed25519 signature, exact token amount, signing key, and request and response hashes without relying on sample transaction data. - [Handle errors](https://algorand-54fd52b3.mintlify.app/guides/handle-errors.md): What each error means and what to do. - [MCP](https://algorand-54fd52b3.mintlify.app/agents/mcp.md): Caller-signed WIF relay and live owner-funded agent payments through local MCP. - [OpenClaw](https://algorand-54fd52b3.mintlify.app/agents/openclaw.md): Connect OpenClaw to Moltworld's remote MCP for WIF chat discovery and quotes. Paid requests need a caller-side x402 signature; MCP never holds a wallet key. - [Hermes Agent](https://algorand-54fd52b3.mintlify.app/agents/hermes.md): Connect Hermes to Moltworld's WIF remote MCP for chat discovery and quotes. Paid requests require a caller-side x402 signature; the server never stores a wallet key. - [Claude Code](https://algorand-54fd52b3.mintlify.app/agents/claude-code.md): Connect Claude Code to Moltworld's WIF remote MCP for chat discovery and quotes. Paid calls require a caller-generated x402 signature; the MCP server never holds a key. - [A2A (legacy)](https://algorand-54fd52b3.mintlify.app/agents/a2a.md): This page archives the original Moltworld A2A endpoint. It is not enabled on Robinhood WIF; use the remote MCP for current model discovery and quotes. - [TypeScript](https://algorand-54fd52b3.mintlify.app/sdks/typescript.md): moltworld-sdk for Node.js 20 and browser-backed EVM wallets. - [Python](https://algorand-54fd52b3.mintlify.app/sdks/python.md): The Python client and the current Robinhood WIF boundary. - [Raw HTTP](https://algorand-54fd52b3.mintlify.app/sdks/http.md): Use Moltworld from any language with an x402 EVM client. - [Introduction](https://algorand-54fd52b3.mintlify.app/api-reference/introduction.md): Base URL, x402 wallet authorization, and current Robinhood chat conventions. - [Errors](https://algorand-54fd52b3.mintlify.app/api-reference/errors.md): Status codes and error codes. - [Chat completion](https://algorand-54fd52b3.mintlify.app/api-reference/endpoints/chat.md): OpenAI-style chat. Pricing uses the exact request body and output-token budget. The WIF amount is fixed by the x402 challenge; automatic WIF rebates and refunds are not enabled. - [Get a quote](https://algorand-54fd52b3.mintlify.app/api-reference/endpoints/quote.md): Free exact price quote for a validated chat request body, without paying. For the same request body, the WIF atomic amount is quote-bound to the 402 challenge; that signed challenge is authoritative. - [List models](https://algorand-54fd52b3.mintlify.app/api-reference/endpoints/list-models.md) - [Get a receipt](https://algorand-54fd52b3.mintlify.app/api-reference/endpoints/get-receipt.md): Receipt, settlement, rebate and refund status for a request id. - [Receipt signing keys](https://algorand-54fd52b3.mintlify.app/api-reference/endpoints/receipt-keys.md) - [Generate images](https://algorand-54fd52b3.mintlify.app/api-reference/endpoints/images.md): Not available on Robinhood WIF: this deployment is chat-only. This endpoint is retained for legacy documentation and must not be treated as a live WIF product. - [Text to speech](https://algorand-54fd52b3.mintlify.app/api-reference/endpoints/speech.md): Not available on Robinhood WIF: this deployment is chat-only. This endpoint is retained for legacy documentation and must not be treated as a live WIF product. - [Get a video job](https://algorand-54fd52b3.mintlify.app/api-reference/endpoints/get-job.md): Not available on Robinhood WIF: video jobs are not enabled. This endpoint is retained for legacy documentation only. - [Draft a mandate](https://algorand-54fd52b3.mintlify.app/api-reference/endpoints/draft-mandate.md): Unavailable on Robinhood WIF: the legacy Algorand mandate API is blocked with `503 migration_incomplete`. The separate owner-controlled EVM mandate uses wallet-authorized setup and has verified mainnet settlement. It remains unaudited. - [Register a mandate](https://algorand-54fd52b3.mintlify.app/api-reference/endpoints/register-mandate.md): Unavailable on Robinhood WIF: the legacy Algorand mandate API is blocked with `503 migration_incomplete`. The separate owner-controlled EVM mandate uses wallet-authorized setup and has verified mainnet settlement. It remains unaudited. - [Get a mandate](https://algorand-54fd52b3.mintlify.app/api-reference/endpoints/get-mandate.md): On WIF, id is the owner-deployed EIP-1271 contract address. Verifies pinned bytecode, token, Permit2, proxy and recipient and returns live policy and balance. An inactive or missing contract does not prove paid settlement. - [List an owner's mandates](https://algorand-54fd52b3.mintlify.app/api-reference/endpoints/list-mandates.md): Unavailable on Robinhood WIF: the legacy Algorand mandate API is blocked with `503 migration_incomplete`. The separate owner-controlled EVM mandate uses wallet-authorized setup and has verified mainnet settlement. It remains unaudited. - [Revoke a mandate](https://algorand-54fd52b3.mintlify.app/api-reference/endpoints/revoke-mandate.md): Unavailable on Robinhood WIF: the legacy Algorand mandate API is blocked with `503 migration_incomplete`. The separate owner-controlled EVM mandate uses wallet-authorized setup and has verified mainnet settlement. It remains unaudited. - [List live listings](https://algorand-54fd52b3.mintlify.app/api-reference/endpoints/list-listings.md): Available when ROBINHOOD_MARKETPLACE_ENABLED=true. Listings require creator EIP-712 signatures and operator review. WIF payouts require merchant-wallet authorization and on-chain reconciliation. - [Create a listing](https://algorand-54fd52b3.mintlify.app/api-reference/endpoints/create-listing.md): Available when ROBINHOOD_MARKETPLACE_ENABLED=true. Listings require creator EIP-712 signatures and operator review. WIF payouts require merchant-wallet authorization and on-chain reconciliation. - [Call a listing](https://algorand-54fd52b3.mintlify.app/api-reference/endpoints/call-listing.md): Available when ROBINHOOD_MARKETPLACE_ENABLED=true. Listings require creator EIP-712 signatures and operator review. WIF payouts require merchant-wallet authorization and on-chain reconciliation. - [Creator earnings](https://algorand-54fd52b3.mintlify.app/api-reference/endpoints/creator-earnings.md): Available when ROBINHOOD_MARKETPLACE_ENABLED=true. Listings require creator EIP-712 signatures and operator review. WIF payouts require merchant-wallet authorization and on-chain reconciliation. - [Health](https://algorand-54fd52b3.mintlify.app/api-reference/endpoints/health.md) - [Usage](https://algorand-54fd52b3.mintlify.app/api-reference/endpoints/stats.md) ## OpenAPI Specs - [openapi](/api-reference/openapi.json) This documentation is built and hosted on [Mintlify](https://mintlify.com), a developer documentation platform.