Textbelt

Phone & Messaging

Textbelt is an SMS API that is built for developers who just want to send and receive SMS.

Available through Sponge

x402

About Textbelt

Review the Service identity, supported languages, protocol versions, and source metadata discovered by the directory.

Service details

Service Id

635f63b6-d417-4d57-a518-628af4078a7e

Service origin

https://api.paysponge.com

ListedSeptember 24, 2026, 11:49 PM

Last checkedNovember 9, 2026, 7:20 AM

Protocol details

SourceOpenAPI

Endpoints

Endpoint details are saved from the OpenAPI document. Authentication requirements and prices are advertised information, not a verified payment or access guarantee. The document may contain additional endpoints.Open OpenAPI document

POST/text

POST /text

Agent payments

These payment protocols and options are advertised by the Service for agent purchases.

x402

Advertises x402 payments for one or more endpoints. Check the endpoint documentation for authentication requirements.