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Apostra platform provides a web dashboard at app.apostra.com for managing your organization’s members, API keys, advertisers, partners, and billing.

Account Switcher

If you belong to multiple accounts (for example, a Buyer account and a Seller account), use the account selector in the top-right corner to move between them. It also appears when you have a pending account invitation. A standalone account with no invitation or other account to reach does not show a redundant selector. Account switcher dropdown

Buyer Homepage

After logging in as a Buyer, you’ll see the buyer homepage with quick-access cards for campaigns, advertisers, API keys, and member management. Buyer homepage From here you can:
  • Get started with documentation and quickstart guides
  • View reporting for campaigns and media buys
  • Manage creatives for your campaigns
  • Manage advertisers for your organization
  • Manage API keys for your integrations
  • Manage members and permissions

Seller Homepage

After logging in as a Seller, you’ll see the seller homepage with quick-access cards for your storefront, campaigns, API keys, and member management. Seller homepage From here you can:
  • Get started with documentation and quickstart guides
  • View your storefront and manage products and inventory
  • View reporting for campaigns and media buys
  • Manage API keys for your integrations
  • Manage members and permissions

API Keys

Click Manage API keys from the dashboard to view your existing keys. API Keys page The primary list contains your keys. For organization administrators, it contains user-owned keys across the organization so an admin can inspect their access levels and revoke them. Each key acts as its owner: it follows that person’s account and resource access, while its selected interchange:read, interchange:write, or interchange:admin access level can narrow what the integration may do. Account administrators also see existing account-owned and legacy keys in separate migration sections.

Creating an API Key

Click + Create API Key to open the creation form. Create API Key form Fill in the following fields:
The API key secret will be shown after creation. Store it securely - you’ll need it to authenticate API and MCP requests.
For durable shared automation, create a dedicated service user, assign that user only the accounts and resources the integration needs, and create the key as that user.

Advertisers

Click Manage advertisers from the dashboard to view and manage advertiser accounts. Advertisers page The advertiser list shows each advertiser’s name, brand domain, description, status, and creation date. Use the three-dot menu on each row to manage individual advertisers.

Creating an Advertiser

Click + Create advertiser to open the creation form. Create Advertiser form

Adding an advertiser in chat

You can also add an advertiser without leaving the chat: ask Murph (for example, “add an advertiser called Acme at acme.com”) or click + Add advertiser on the Advertisers overview. A guided in-chat form opens — pre-filled with anything you already said — capturing the same fields above, resolving the brand for confirmation, and creating the advertiser when you submit. Once it’s created you can switch straight into it or add another.

Media Company advertiser setup

In a Media Company account, select Add advertiser from Advertisers or Campaigns to open the same guided form. Sandbox is available to every Media Company and makes no real platform calls or spend. Accounts enrolled for live campaign management can explicitly choose Live; other accounts see Sandbox only. After creation, the roster refreshes before you switch into the new advertiser.

Member Management

Click Manage members from the dashboard to view and manage your organization’s members. Member management page The member list shows each user’s name or email, role, number of assigned advertisers and partners, and their status. Pending invitations show as “Invitation sent” in the Date Created column. You can search for members and change their role using the dropdown in the Role column.

Inviting Members

Click Invite members to add new users to your organization. Step 1: Enter email and role Invite members - email and role
  • Enter one or more email addresses
  • Select an Access role:
    • Admin - Full access to all Advertisers and Partners by default. Advertiser selection in the following step is optional.
    • Member - Limited access. You must assign specific Advertisers and Partners in the next step.
Step 2: Select access Invite members - select access Select which Advertisers and Partners the new member should have access to. For Admin users this step is optional since they have access to everything by default. Click Send to send the invitation.

Next Steps

Authentication

Learn how to use your API key to authenticate requests

Quick Start

Get started making API calls with your key