Operations 1
Each operation below carries the questions people ask an LLM about it and the instructions they give an agent to run it. Generated by API Evangelist overlay
Each operation below carries the questions people ask an LLM about it and the instructions they give an agent to run it. Generated by API Evangelist overlay
Every API here is available over the APIs.io API and to AI agents over MCP.
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openapi: 3.2.0
info:
title: Scope3 Buyer Signup API
version: 2.0.0
description: 'REST API for advertisers to manage advertisers, campaigns, and reporting.
## Authentication
All endpoints require a Bearer token in the Authorization header:
```
Authorization: Bearer your-api-key
```
## Base URL
`https://api.interchange.io/api/v2/buyer`
## For AI Agents
AI agents can use the MCP endpoint at `/mcp/v2/buyer` with three tools:
- `initialize`: Start an MCP session
- `api_call`: Make REST API calls
- `ask_about_capability`: Learn about API features'
servers:
- url: https://api.interchange.io/api/v2/buyer
description: Production server
tags:
- name: Signup
description: Request reviewed access to Interchange
paths:
/auth/buyer-signup-intake:
servers:
- url: https://api.interchange.io
description: Production signup service
post:
operationId: submitBuyerSignupIntake
summary: Request buyer access
description: Submit buyer qualification for human review. This public form does not create an account, grant access, or establish organization or email ownership.
tags:
- Signup
security: []
requestBody:
required: true
content:
application/json:
schema:
type: object
properties:
email:
type: string
maxLength: 254
format: email
pattern: ^(?!\.)(?!.*\.\.)([A-Za-z0-9_'+\-\.]*)[A-Za-z0-9_+-]@([A-Za-z0-9][A-Za-z0-9\-]*\.)+[A-Za-z]{2,}$
first_name:
type: string
minLength: 1
maxLength: 80
last_name:
type: string
minLength: 1
maxLength: 80
company:
type: string
minLength: 1
maxLength: 200
role:
type:
- string
- 'null'
enum:
- brand
- agency
intent:
type:
- string
- 'null'
enum:
- self_service
- assisted_pilot
- evaluate
- integration_partnership
- campaign_management
- agent_connection
agent_name:
type:
- string
- 'null'
minLength: 1
maxLength: 200
source:
default: agentic-signup
type: string
enum:
- agentic-signup
- agentic-login
- marketing-site
use_case:
type:
- string
- 'null'
maxLength: 1000
intended_markets:
default: []
maxItems: 249
type: array
items:
type: string
minLength: 2
maxLength: 32
intended_channels:
default: []
maxItems: 22
type: array
items:
type: string
enum:
- display
- olv
- social
- search
- ctv
- linear_tv
- radio
- streaming_audio
- podcast
- dooh
- ooh
- print
- cinema
- email
- gaming
- retail_media
- influencer
- affiliate
- product_placement
- sponsored_intelligence
- audio
- other
pilot_budget:
type:
- string
- 'null'
minLength: 1
maxLength: 100
pilot_timing:
type:
- string
- 'null'
enum:
- ready_now
- one_to_three_months
- later
self_service_experience:
type:
- boolean
- 'null'
prelaunch_slack_consent:
type:
- boolean
- 'null'
website:
type: string
maxLength: 500
required:
- email
- first_name
- last_name
- company
responses:
'201':
description: Request buyer access
content:
application/json:
schema:
type: object
properties:
success:
type: boolean
enum:
- true
data:
type: object
properties:
ok:
type: boolean
enum:
- true
org_ref:
type:
- string
- 'null'
qualification_route:
type: string
enum:
- solutions_review
- market_nurture
- manual_review
required:
- ok
- org_ref
- qualification_route
additionalProperties: false
required:
- success
- data
additionalProperties: false
'400':
description: Bad request
content:
application/json:
schema:
$ref: '#/components/schemas/ErrorResponse'
'500':
description: Internal server error
content:
application/json:
schema:
$ref: '#/components/schemas/ErrorResponse'
components:
schemas:
ApiError:
description: Structured error object
type: object
properties:
code:
description: Machine-readable error code
type: string
message:
description: Human-readable error message
type: string
field:
description: Field path associated with the error
type: string
details:
description: Additional error context
type: object
additionalProperties: {}
required:
- code
- message
additionalProperties: false
ErrorResponse:
description: Standard error response
type: object
properties:
data:
type:
- string
- 'null'
enum:
- null
error:
$ref: '#/components/schemas/ApiError'
required:
- data
- error
additionalProperties: false
securitySchemes:
bearerAuth:
type: http
scheme: bearer
description: API key or access token