overlay: 1.0.0
info:
title: API Evangelist enhancements — _done Mortgage & Loan Amortization Calculator
version: 1.0.0
extends: openapi/done-mortgage-amortization-openapi.yml
x-generated: '2026-08-11'
x-method: generated
x-source: openapi/_original/done-mortgage-amortization-openapi.json
x-note: 'Non-destructive. Captures API Evangelist enhancements only: catalog provenance, a canonical resource tag
in place of the SEO keyword tag list (keywords preserved under x-keywords), and a service-namespaced canonical
operationId. The provider spec is never mutated.'
actions:
- target: $.info
description: Record API Evangelist provenance and the catalog identity of this service.
update:
x-api-evangelist:
provider: _done
slug: done
catalog: https://apis.io/provider/done/
harvested: '2026-08-11'
source: https://mortgage-amortization.underscoredone.com/openapi.json
payment_protocol: x402
price_usd: 0.01
- target: $.paths["/calculate"].post
description: Collapse 14 SEO keyword tags to one canonical resource tag "mortgage calculator". The original keyword
list is preserved as x-keywords so nothing is lost.
update:
tags:
- mortgage calculator
x-keywords:
- mortgage calculator
- loan amortization
- amortization schedule
- mortgage
- monthly payment calculator
- mortgage payment
- loan payment schedule
- mortgage amortization
- loan calculator
- extra payment calculator
- interest schedule
- payoff calculator
- principal and interest
- mortgage schedule
- target: $.paths["/calculate"].post
description: Namespace the operationId by service — operationIds collide across the 26 _done specs.
update:
x-canonical-operation-id: mortgage_amortization_handler_calculate_post
- target: $.tags
description: Reduce the 14-entry SEO tag list to one canonical resource tag.
update:
- name: mortgage calculator
description: Mortgage & Loan Amortization Calculator
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