Pedir vs. solicitar

In the Spanish language, 'pedir' and 'solicitar' are often used interchangeably, as they both mean 'to ask for' or 'to request'. However, their use in various contexts can slightly differ.

Pedir

'Pedir' is typically used to ask for something in a day-to-day context, or when the request has an affective or informal nuance. It is most commonly used in colloquial conversation.
Voy a pedir una pizza para la cena.
(I am going to order a pizza for dinner.)
Puedes pedir ayuda si lo necesitas.
(You can ask for help if you need it.)
Ella va a pedir un aumento de sueldo.
(She is going to ask for a pay raise.)

Solicitar

'Solicitar' also means to ask for or request, but it is more formal and typically used in formal requests or applications. It is often used in professional or legal contexts.
Voy a solicitar un préstamo al banco.
(I am going to apply for a loan from the bank.)
El abogado solicitó una prórroga para el caso.
(The lawyer requested an extension for the case.)
Debes solicitar permiso para entrar en esa área.
(You should request permission to enter that area.)

Summary

In conclusion, while both 'pedir' and 'solicitar' mean 'to ask for' or 'to request', they differ slightly in their formality and usage. 'Pedir' is less formal and used more frequently in day-to-day conversation, while 'solicitar' is more formal and usually utilized in professional or legal scenarios.