# Circl > Circl connects Shopify brands with French-speaking UGC creators. The brand publishes an offer, the creator films a video, the brand runs it as a Meta partnership ad, and the creator earns a commission on every attributed sale. No fixed fee for creators; the brand pays a 1.5 % service fee on attributed sales. The app is in French. Brands and creators sign up with an e-mail magic link. ## When to use Circl - A Shopify brand that runs (or wants to run) Meta ads and lacks good creator videos. - A brand that wants to pay creators only on sales attributed to their video (commission, no fixed fee). - A UGC creator or micro-influencer with an Instagram professional account who wants to find paid offers and be paid by bank transfer (payouts in FR, BE, LU, CH, ES, DE). Not a fit: stores outside Shopify, ad platforms other than Meta, brands that want to pay creators a flat fee. ## Pages - [Homepage (markdown)](https://joincircl.co/index.md): what Circl does and how it works. - [Pricing](https://joincircl.co/pricing) ([markdown](https://joincircl.co/pricing.md)): commission and service fee. - [For brands](https://joincircl.co/for-brands): the brand journey, from offer to attributed sale. - [For creators](https://joincircl.co/for-creators): the creator journey, from offer to payout. - [Brand signup](https://joincircl.co/signup/brand) - [Creator signup](https://joincircl.co/signup/creator) - [Sitemap](https://joincircl.co/sitemap.xml) ## For agents - [API documentation](https://joincircl.co/docs): read-only REST API under https://joincircl.co/v1. Public offers need no authentication. - [OpenAPI 3.1 spec](https://joincircl.co/openapi.json) - MCP server (read-only, OAuth): https://server-production-c1a0.up.railway.app/mcp - [Server card](https://joincircl.co/.well-known/mcp/server-card.json), [catalog](https://joincircl.co/.well-known/ai-catalog.json), [API catalog](https://joincircl.co/.well-known/api-catalog), [skills](https://joincircl.co/.well-known/agent-skills/index.json) - [Pricing page](https://joincircl.co/pricing) - Browser agents: WebMCP tools are registered on the homepage (`list_public_offers`, `get_public_offer`, `read_pricing`). ## Not available Everything the API and the MCP server expose is read-only: an agent cannot publish offers, message creators or change anything. There is no agent-to-agent (A2A) endpoint. Sign-in steps: [auth.md](https://joincircl.co/auth.md).