Web APIs are interfaces that allow web applications to communicate with external services or data sources over the internet.
1.REST API
REST APIs use standard HTTP methods & are stateless. They
typically return data in JSON or XML format.Used for web services, where resources are accessed via URLs.Commonly used for CRUD operations on data.
Example: GitHub API, Twitter API.
2.SOAP API
SOAP is a protocol that uses XML for message format & typically relies on HTTP or SMTP for message negotiation & transmission.
Enterprise-level applications requiring security, reliability, and
formal contracts (WSDL).Example: Payment gateways, financial services APIs.
- GraphQL API
GraphQL allows clients to request exactly the data they
need, and nothing more. It uses a single endpoint and
provides more flexibility compared to REST.When you need efficient querying of complex datasets, or when working with mobile applications where bandwidth
is a concern.Example: Facebook's GraphQL API, Shopify API.
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