# Upstreams

URL: /systems/integrations/upstreams · Id: `page:systems/integrations/upstreams`

> The sibling Startups that perform capabilities for every Startup, under an Agreement.

A sibling [Capability](/business/nouns/capability) is an outcome ordered from another [Startup](/business/nouns/startup) under an [Agreement](/business/nouns/agreement), billed once it is delivered and accepted.

| Capability | Upstream | Definition |
| --- | --- | --- |
| <a id="recruiting"></a>Recruiting | api.careers | Recruiting sources, screens and places employees and contractors for a Startup, and reports whether each placement lasted. |
| <a id="on-demand-work"></a>On-demand work | gigs.exchange | On-demand work books vetted, credentialed people per shift or job and pays them on verified completion. |
| <a id="demand-generation"></a>Demand generation | headless.marketing | Demand generation runs demand Plays for a Startup inside its own Systems and attributes the revenue each one earns. |
| <a id="sales-closing"></a>Sales closing | api.forsale | Sales closing works Deals with agents and closes them with people, from qualified Lead to signed Order. |
| <a id="legal-services"></a>Legal services | api.lawyer | Legal services draft, review and advise, with every Reserved Act performed by an independent licensed attorney. |
| <a id="accounting-services"></a>Accounting services | monthend.finance | Accounting services review the books, close each Period and prepare tax and investor-grade statements, signed by an accountant where required. |
| <a id="security-reviews"></a>Security reviews | attestations.services | Security reviews answer buyer security questionnaires and readiness reviews from a Startup’s Evidence, so no one gathers screenshots. |
| <a id="licensed-review"></a>Licensed review | gigs.expert | Licensed review has a credential holder review agent-prepared work and approve, return or decline it under their own Credential. |
| <a id="back-office-outsourcing"></a>Back-office outsourcing | agentic.services | Back-office outsourcing hands a whole back-office function to agents in the buyer’s Systems, with people resolving only the exceptions. |