Abstract API · OpenAPI Overlay 1.0.0

API Evangelist enhancements — Abstract Exchange Rates API

4 actions 4 updates update extends abstract-api-exchange-rates-api-openapi.yml
Generated by API Evangelist Written by API Evangelist tooling for Abstract API's API. It is a proposal applied on top of the contract, not a document Abstract API publishes.
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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

Raw ↑ 
overlay: 1.0.0
info:
  title: API Evangelist enhancements — Abstract Exchange Rates API
  version: 1.0.0
extends: abstract-api-exchange-rates-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