{"openapi":"3.0.0","info":{"title":"Mortgage Refinance API","version":"1.0.0","description":"Calculate mortgage refinance savings with break-even analysis and rate comparison"},"paths":{"/calculate":{"post":{"summary":"POST /calculate","responses":{"200":{"description":"Success"}}}},"/break-even":{"post":{"summary":"POST /break-even","responses":{"200":{"description":"Success"}}}},"/savings":{"post":{"summary":"POST /savings","responses":{"200":{"description":"Success"}}}},"/compare":{"post":{"summary":"POST /compare","responses":{"200":{"description":"Success"}}}}}}