404 DELETE /api/v1/book/{id} ✔ 200 ✔ 201 ✔ 404 GET /api/v1/book/{id}/seller ✔ 200 ✔ 201 ✔ 404 Partially conforming requests: GET /api/v1/book ✖ 200 ✔ 404 POST /api/v1/book ✖ 200 ✔ 201 ✔ 404 GET /api/v1/book/{id} ✖ 200 ✔ 404 ✔ 200 PATCH /api/v1/book/{id} ✖ 200 ✔ 201 ✔ 404 Non-conforming requests: GET /api/v1/seller ✖ 200 ✖ 201 ✖ 404 GET /api/v1/buyer ✖ 200 ✖ 404 API requests with fully implemented responses: 3 (33.33% of 9). API requests with partially implemented responses: 4 (44.44% of 9). API requests with no implemented responses: 2 (22.22% of 9). API responses conforming to the blueprint: 16 (64.00% of 25). API responses with validation errors or untested: 9 (36.00% of 25).