Designing Web Apis With Strapi Pdf Free Download ((install)) -

// src/api/article/policies/isOwner.js module.exports = (policyCtx) => if (policyCtx.state.user.id === policyCtx.request.body.data.user) return true; return false; ; Strapi auto-generates a GraphQL schema from your content-types. Setup npm run strapi install graphql Query example query articles(filters: title: contains: "Strapi" ) data id attributes title content author data attributes username

const request = require('supertest'); const strapi = require('@strapi/strapi'); describe('Article API', () => beforeAll(async () => await strapi().load(); ); designing web apis with strapi pdf free download

async checkout(ctx) const products, userId = ctx.request.body; const total = await strapi.service('api::order.calc').compute(products); return strapi.entityService.create('api::order.order', data: products, total, user: userId, status: 'pending' ); // src/api/article/policies/isOwner

Custom route: POST /api/orders/checkout Custom controller logic: | Problem | Solution | |---------|----------| | N+1

GET /api/articles?filters[title][$contains]=strapi GET /api/articles?sort=publishedAt:desc GET /api/articles?pagination[page]=1&pagination[pageSize]=10 GET /api/articles?populate=author,categories Return only needed fields:

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| Problem | Solution | |---------|----------| | N+1 queries | Use populate deeply or custom SQL views | | Exposed admin panel | Change /admin path, add IP whitelist | | Slow startup | Disable unused plugins, optimize DB indexes | | Over-fetching | Use GraphQL or sparse fieldsets | 13. Conclusion Strapi accelerates API development dramatically — from hours to minutes. By understanding its auto-generated endpoints , query parameters , security layers , and extensibility (custom controllers/services), you can design production-grade web APIs faster than with traditional frameworks.