Abstract API · OpenAPI Overlay 1.0.0

API Evangelist enhancements — Abstract VAT Validation API

4 actions 4 updates update extends abstract-api-vat-validation-api-openapi.yml

Derived by API Evangelist Built from the contracts Abstract API publishes. Abstract API did not publish this file.

View Overlay File View on GitHub Overlay Specification

What the actions change

x-provider-openapix-provider-openapi-archivedx-agent-cardx-mcp-serverx-agent-skillx-status-pagex-api-evangelistx-rate-limit

Targets 3

$.info

$.paths.*.*

$.components.securitySchemes.apiKey

OpenAPI Overlay

overlay: 1.0.0
info:
  title: API Evangelist enhancements — Abstract VAT Validation API
  version: 1.0.0
extends: abstract-api-vat-validation-api-openapi.yml
x-generated: '2026-08-29'
x-method: generated
x-source: apis.yml + repo artifacts; provider surfaces probed 2026-08-29
actions:
- target: $.info
  update:
    x-provider-openapi: https://github.com/abstractapi/openapi-specs
    x-provider-openapi-archived: openapi/_original/
    x-agent-card: https://docs.abstractapi.com/.well-known/agent-card.json
    x-mcp-server: https://docs.abstractapi.com/mcp
    x-agent-skill: https://docs.abstractapi.com/.well-known/agent-skills/abstractapi/skill.md
    x-status-page: https://status.abstractapi.com/
- target: $.info
  update:
    x-api-evangelist:
      error-catalog: errors/abstract-api-problem-types.yml
      conventions: conventions/abstract-api-conventions.yml
      authentication: authentication/abstract-api-authentication.yml
      rate-limits: rate-limits/abstract-api-rate-limits.yml
      plans: plans/abstract-api-plans-pricing.yml
      lifecycle: lifecycle/abstract-api-lifecycle.yml
      conformance: conformance/abstract-api-conformance.yml
      data-model: data-model/abstract-api-data-model.yml
- target: $.paths.*.*
  update:
    x-rate-limit:
      scope: api-key
      requests_per_second: 3
      note: 3 req/s on paid tiers and on the email products free tier; 1 req/s on the IP Geolocation free
        tier. No rate-limit response headers are published.
    x-idempotent: true
    x-reversibility:
      applicable: na
      reason: read-only lookup; nothing to reverse
    x-metered:
      charged_on: request
      note: failed lookups consume quota
- target: $.components.securitySchemes.apiKey
  update:
    x-alternate-auth:
      scheme: http
      type: bearer
      description: 'The same API key may be sent as Authorization: Bearer <key> instead of the api_key
        query parameter. Documented by the provider and declared in its own OpenAPI definitions; absent
        from this refined document.'
    x-key-scope: per-product — a key issued for one Abstract API returns 401 against another

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