# Prelude Transactional API

**Canonical:** https://apis.io/apis/prelude-so/prelude-so-transactional-api/  
**Provider:** Prelude — https://apis.io/providers/prelude-so/  
**Base URL:** https://api.prelude.dev/v2  
**Documentation:** https://docs.prelude.so/verify/v2/api-reference/create-or-retry-a-verification

Prelude Transactional API is one of 4 APIs that [Prelude](https://apis.io/providers/prelude-so/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. Tagged areas include Transactional. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, and an API reference.

Send transactional messages over SMS, RCS, and WhatsApp.

## Machine-readable artifacts (8)

- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/prelude-so/refs/heads/main/openapi/prelude-so-transactional-api-openapi.yml
- **Documentation** — https://docs.prelude.so/verify/v2/documentation/introduction
- **APIReference** — https://docs.prelude.so/verify/v2/api-reference/create-or-retry-a-verification
- **PostmanCollection** — https://raw.githubusercontent.com/api-evangelist/prelude-so/refs/heads/main/collections/prelude-so.postman_collection.json
- **OpenCollection** — https://raw.githubusercontent.com/api-evangelist/prelude-so/refs/heads/main/collections/prelude-so.opencollection.json
- **APIReference** — https://docs.prelude.so/intel/v2/api-reference
- **APIReference** — https://docs.prelude.so/watch/v2/api-reference
- **APIReference** — https://docs.prelude.so/notify/v2/api-reference

## Other Prelude APIs (3)

- [Prelude Lookup API](https://apis.io/apis/prelude-so/prelude-so-lookup-api/)
- [Prelude Verification API](https://apis.io/apis/prelude-so/prelude-so-verification-api/)
- [Prelude Watch API](https://apis.io/apis/prelude-so/prelude-so-watch-api/)

## Tags

Transactional

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/prelude-so/prelude-so-transactional-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/prelude-so/.