IAB Tech Lab

IAB Tech Lab Registry API

The Registry API from IAB Tech Lab — 1 operation(s) for registry.

Documentation GitHub OpenAPI

Operations 1

POST /registry/agents/discover Fetch and register a counterparty's card by base URL #

Documentation

https://github.com/InteractiveAdvertisingBureau/OpenDirect

https://github.com/IABTechLab/iab-agentic-primitives/blob/main/spec/README.md

https://iabtechlab.github.io/seller-agent/

https://iabtechlab.github.io/seller-agent/reference/endpoints/

https://iabtechlab.github.io/buyer-agent/

Specifications

https://raw.githubusercontent.com/api-evangelist/iab-tech-lab/refs/heads/main/openapi/iab-tech-lab-registry-api-openapi.yml

Schemas & Data

https://raw.githubusercontent.com/api-evangelist/iab-tech-lab/refs/heads/main/json-schema/iab-tech-lab-agentic-primitive-deal.json

https://raw.githubusercontent.com/api-evangelist/iab-tech-lab/refs/heads/main/json-schema/iab-tech-lab-agentic-primitive-order.json

https://raw.githubusercontent.com/api-evangelist/iab-tech-lab/refs/heads/main/json-schema/iab-tech-lab-agentic-primitive-product.json

https://raw.githubusercontent.com/api-evangelist/iab-tech-lab/refs/heads/main/json-schema/iab-tech-lab-agentic-primitive-negotiation.json

https://raw.githubusercontent.com/api-evangelist/iab-tech-lab/refs/heads/main/json-schema/iab-tech-lab-agentic-primitive-proposal.json

https://raw.githubusercontent.com/api-evangelist/iab-tech-lab/refs/heads/main/json-schema/iab-tech-lab-agentic-primitive-mediakit.json

https://raw.githubusercontent.com/api-evangelist/iab-tech-lab/refs/heads/main/json-schema/iab-tech-lab-agentic-primitive-agent.json

https://raw.githubusercontent.com/api-evangelist/iab-tech-lab/refs/heads/main/json-schema/iab-tech-lab-agentic-primitive-line.json

https://raw.githubusercontent.com/api-evangelist/iab-tech-lab/refs/heads/main/json-schema/iab-tech-lab-agentic-primitive-account.json

https://raw.githubusercontent.com/api-evangelist/iab-tech-lab/refs/heads/main/json-schema/iab-tech-lab-agentic-primitive-organization.json

https://raw.githubusercontent.com/api-evangelist/iab-tech-lab/refs/heads/main/json-schema/iab-tech-lab-agentic-primitive-creative.json

https://raw.githubusercontent.com/api-evangelist/iab-tech-lab/refs/heads/main/json-schema/iab-tech-lab-agentic-primitive-creativeapproval.json

https://raw.githubusercontent.com/api-evangelist/iab-tech-lab/refs/heads/main/json-schema/iab-tech-lab-agentic-primitive-assignment.json

https://raw.githubusercontent.com/api-evangelist/iab-tech-lab/refs/heads/main/json-schema/iab-tech-lab-agentic-primitive-changerequest.json

https://raw.githubusercontent.com/api-evangelist/iab-tech-lab/refs/heads/main/json-schema/iab-tech-lab-agentic-primitive-consentcontext.json

https://raw.githubusercontent.com/api-evangelist/iab-tech-lab/refs/heads/main/json-schema/iab-tech-lab-agentic-primitive-decisionrecord.json

Other Resources

https://raw.githubusercontent.com/api-evangelist/iab-tech-lab/refs/heads/main/mcp/iab-tech-lab-tool-crosswalk.yml

https://github.com/IABTechLab/seller-agent

https://github.com/IABTechLab/seller-agent/blob/main/CHANGELOG.md

https://raw.githubusercontent.com/api-evangelist/iab-tech-lab/refs/heads/main/changelog/iab-tech-lab-changelog.yml

https://raw.githubusercontent.com/api-evangelist/iab-tech-lab/refs/heads/main/cli/iab-tech-lab-cli.yml

https://github.com/IABTechLab/buyer-agent

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OpenAPI Specification

openapi: 3.2.0
info:
  title: IAB Agentic Advertising Registry API
  version: 0.1.0
  description: 'Canonical wire protocol between the IAB Tech Lab buyer and seller agents: catalog, quote->book deal flow, negotiation, change requests, A2A (Agent-to-Agent protocol) JSON-RPC messaging, and Agent Card discovery.'
tags:
- name: Registry
paths:
  /registry/agents/discover:
    post:
      operationId: discoverAgent
      summary: Fetch and register a counterparty's card by base URL
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: ../jsonschema/protocol/AgentDiscoveryRequest.json
      responses:
        '200':
          description: Registry-verified trust result for the agent.
          content:
            application/json:
              schema:
                $ref: ../jsonschema/protocol/AgentTrustVerification.json
        '404':
          $ref: '#/components/responses/Error'
      tags:
      - Registry
components:
  responses:
    Error:
      description: 'Structured error envelope: {"detail": {"error": <ErrorCode>, "message": "...", "unsupported": [...]}}.'
      content:
        application/json:
          schema:
            $ref: ../jsonschema/protocol/ErrorEnvelope.json