# Telesign Deactivated Numbers API

**Canonical:** https://apis.io/apis/telesign/deactivated-numbers-api/  
**Provider:** Telesign — https://apis.io/providers/telesign/  
**Base URL:** https://deact-api.telesign.com  
**Documentation:** https://developer.telesign.com/enterprise/reference/getdeactnumfilelist

Telesign Deactivated Numbers API is one of 31 APIs that [Telesign](https://apis.io/providers/telesign/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. This API exposes 1 JSON Schema definition. Tagged areas include Phone Intelligence and Deactivated Numbers. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, and 1 JSON Schema.

Encoding: Accepts only UTF-8 encoded unicode characters as inputs. The Deactivated Numbers API can be used to get lists of deactivated numbers. These can be used to ensure you don't send SMS messages to these numbers using our SMS and SMS Verify products.

## Operations (2)

| Method | Path | Summary |
|---|---|---|
| GET | `/files` | Get file list |
| GET | `/download/{file_name}` | Get file |

## Machine-readable artifacts (4)

- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/telesign/refs/heads/main/openapi/telesign-deactivated-numbers-api-openapi.yml
- **OpenAPI** — https://developer.telesign.com/enterprise/openapi/deactivated-numbers-api.json
- **Documentation** — https://developer.telesign.com/enterprise/reference/getdeactnumfilelist
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/telesign/refs/heads/main/json-schema/telesign-deact-res-file-list-schema.json

## Other Telesign APIs (12)

- [Telesign Accounts API](https://apis.io/apis/telesign/accounts-api/)
- [Telesign Email Intelligence API](https://apis.io/apis/telesign/email-intelligence-api/)
- [Telesign Flow Builder API](https://apis.io/apis/telesign/flow-builder-api/)
- [Telesign API Keys API](https://apis.io/apis/telesign/telesign-api-keys-api/)
- [Telesign Bulk SMS API](https://apis.io/apis/telesign/telesign-bulk-sms-api/)
- [Telesign Bulk SMS Callbacks API](https://apis.io/apis/telesign/telesign-bulk-sms-callbacks-api/)
- [Telesign Calls API](https://apis.io/apis/telesign/telesign-calls-api/)
- [Telesign Completions API](https://apis.io/apis/telesign/telesign-completions-api/)
- [Telesign Delivery Reports API](https://apis.io/apis/telesign/telesign-delivery-reports-api/)
- [Telesign Email Intelligence Extended Response API](https://apis.io/apis/telesign/telesign-email-intelligence-extended-response-api/)
- [Telesign Finalize API](https://apis.io/apis/telesign/telesign-finalize-api/)
- [Telesign Initiate API](https://apis.io/apis/telesign/telesign-initiate-api/)

## Tags

Phone Intelligence, Deactivated Numbers

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