[Home](./index.md) > [bitburner](./bitburner.md) > [OfficeAPI](./bitburner.officeapi.md) ## OfficeAPI interface Corporation Office API Signature: ```typescript export interface OfficeAPI ``` ## Remarks requires the Office API upgrade from your corporation. ## Methods | Method | Description | | --- | --- | | [buyCoffee(divisionName, city)](./bitburner.officeapi.buycoffee.md) | Buy coffee for your employees | | [getHireAdVertCost(divisionName)](./bitburner.officeapi.gethireadvertcost.md) | Get the cost to hire AdVert. | | [getHireAdVertCount(divisionName)](./bitburner.officeapi.gethireadvertcount.md) | Get the number of times you have hired AdVert. | | [getOffice(divisionName, city)](./bitburner.officeapi.getoffice.md) | Get data about an office | | [getOfficeSizeUpgradeCost(divisionName, city, asize)](./bitburner.officeapi.getofficesizeupgradecost.md) | Cost to Upgrade office size. | | [getResearchCost(divisionName, researchName)](./bitburner.officeapi.getresearchcost.md) | Get the cost to unlock research | | [hasResearched(divisionName, researchName)](./bitburner.officeapi.hasresearched.md) | Gets if you have unlocked a research | | [hireAdVert(divisionName)](./bitburner.officeapi.hireadvert.md) | Hire AdVert. | | [hireEmployee(divisionName, city, employeePosition)](./bitburner.officeapi.hireemployee.md) | Hire an employee. | | [research(divisionName, researchName)](./bitburner.officeapi.research.md) | Purchase a research | | [setAutoJobAssignment(divisionName, city, job, amount)](./bitburner.officeapi.setautojobassignment.md) | Set the auto job assignment for a job | | [throwParty(divisionName, city, costPerEmployee)](./bitburner.officeapi.throwparty.md) | Throw a party for your employees | | [upgradeOfficeSize(divisionName, city, size)](./bitburner.officeapi.upgradeofficesize.md) | Upgrade office size. |