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Telnyx Oauth Curl

team-telnyx/telnyx-oauth-curl

>- Implement OAuth 2.0 authentication flows for Telnyx API access. This skill provides REST API (curl) examples.

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Install

one command, takes just this skill from the repository 
npx skills add https://github.com/team-telnyx/ai --skill telnyx-oauth-curl

The instruction itself

22 sections, as written by the author

<!-- Auto-generated from Telnyx OpenAPI specs. Do not edit. -->

Telnyx Oauth - curl

Installation

# curl is pre-installed on macOS, Linux, and Windows 10+

Setup

export TELNYX_API_KEY="YOUR_API_KEY_HERE"

All examples below use $TELNYX_API_KEY for authentication.

Error Handling

All API calls can fail with network errors, rate limits (429), validation errors (422),

or authentication errors (401). Always handle errors in production code:

# Check HTTP status code in response
response=$(curl -s -w "\n%{http_code}" \
  -X POST "https://api.telnyx.com/v2/messages" \
  -H "Authorization: Bearer $TELNYX_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"to": "+13125550001", "from": "+13125550002", "text": "Hello"}')

http_code=$(echo "$response" | tail -1)
body=$(echo "$response" | sed '$d')

case $http_code in
  2*) echo "Success: $body" ;;
  422) echo "Validation error — check required fields and formats" ;;
  429) echo "Rate limited — retry after delay"; sleep 1 ;;
  401) echo "Authentication failed — check TELNYX_API_KEY" ;;
  *)   echo "Error $http_code: $body" ;;
esac

Common error codes: 401 invalid API key, 403 insufficient permissions,

404 resource not found, 422 validation error (check field formats),

429 rate limited (retry with exponential backoff).

Important Notes

  • Pagination: List endpoints return paginated results. Use page[number] and page[size] query parameters to navigate pages. Check meta.total_pages in the response.

Authorization server metadata

OAuth 2.0 Authorization Server Metadata (RFC 8414)

GET /.well-known/oauth-authorization-server

curl -H "Authorization: Bearer $TELNYX_API_KEY" "https://api.telnyx.com/v2/.well-known/oauth-authorization-server"

Returns: authorization_endpoint (uri), code_challenge_methods_supported (array[string]), grant_types_supported (array[string]), introspection_endpoint (uri), issuer (uri), jwks_uri (uri), registration_endpoint (uri), response_types_supported (array[string]), scopes_supported (array[string]), token_endpoint (uri), token_endpoint_auth_methods_supported (array[string])

Protected resource metadata

OAuth 2.0 Protected Resource Metadata for resource discovery

GET /.well-known/oauth-protected-resource

curl -H "Authorization: Bearer $TELNYX_API_KEY" "https://api.telnyx.com/v2/.well-known/oauth-protected-resource"

Returns: authorization_servers (array[string]), resource (uri)

OAuth authorization endpoint

OAuth 2.0 authorization endpoint for the authorization code flow

GET /oauth/authorize

curl -H "Authorization: Bearer $TELNYX_API_KEY" "https://api.telnyx.com/v2/oauth/authorize?scope=admin"

Get OAuth consent token

Retrieve details about an OAuth consent token

GET /oauth/consent/{consent_token}

curl -H "Authorization: Bearer $TELNYX_API_KEY" "https://api.telnyx.com/v2/oauth/consent/{consent_token}"

Returns: client_id (string), logo_uri (uri), name (string), policy_uri (uri), redirect_uri (uri), requested_scopes (array[object]), tos_uri (uri), verified (boolean)

Create OAuth grant

Create an OAuth authorization grant

POST /oauth/grants — Required: allowed, consent_token

curl \
  -X POST \
  -H "Authorization: Bearer $TELNYX_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "allowed": true,
  "consent_token": "eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.example"
}' \
  "https://api.telnyx.com/v2/oauth/grants"

Returns: redirect_uri (uri)

Token introspection

Introspect an OAuth access token to check its validity and metadata

POST /oauth/introspect — Required: token

curl \
  -X POST \
  -H "Authorization: Bearer $TELNYX_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "token": "eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.example"
}' \
  "https://api.telnyx.com/v2/oauth/introspect"

Returns: active (boolean), aud (string), client_id (string), exp (integer), iat (integer), iss (string), scope (string)

JSON Web Key Set

Retrieve the JSON Web Key Set for token verification

GET /oauth/jwks

curl -H "Authorization: Bearer $TELNYX_API_KEY" "https://api.telnyx.com/v2/oauth/jwks"

Returns: keys (array[object])

Dynamic client registration

Register a new OAuth client dynamically (RFC 7591)

POST /oauth/register

Optional: client_name (string), grant_types (array[string]), logo_uri (uri), policy_uri (uri), redirect_uris (array[string]), response_types (array[string]), scope (string), token_endpoint_auth_method (enum: none, client_secret_basic, client_secret_post), tos_uri (uri)

curl \
  -X POST \
  -H "Authorization: Bearer $TELNYX_API_KEY" \
  -H "Content-Type: application/json" \
  "https://api.telnyx.com/v2/oauth/register"

Returns: client_id (string), client_id_issued_at (integer), client_name (string), client_secret (string), grant_types (array[string]), logo_uri (uri), policy_uri (uri), redirect_uris (array[string]), response_types (array[string]), scope (string), token_endpoint_auth_method (string), tos_uri (uri)

OAuth token endpoint

Exchange authorization code, client credentials, or refresh token for access token

POST /oauth/token — Required: grant_type

Optional: client_id (string), client_secret (string), code (string), code_verifier (string), redirect_uri (uri), refresh_token (string), scope (string)

curl \
  -X POST \
  -H "Authorization: Bearer $TELNYX_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "grant_type": "client_credentials"
}' \
  "https://api.telnyx.com/v2/oauth/token"

Returns: access_token (string), expires_in (integer), refresh_token (string), scope (string), token_type (enum: Bearer)

List OAuth clients

Retrieve a paginated list of OAuth clients for the authenticated user

GET /oauth_clients

curl -H "Authorization: Bearer $TELNYX_API_KEY" "https://api.telnyx.com/v2/oauth_clients"

Returns: allowed_grant_types (array[string]), allowed_scopes (array[string]), client_id (string), client_secret (string | null), client_type (enum: public, confidential), created_at (date-time), logo_uri (uri), name (string), org_id (string), policy_uri (uri), record_type (enum: oauth_client), redirect_uris (array[string]), require_pkce (boolean), tos_uri (uri), updated_at (date-time), user_id (string)

Create OAuth client

Create a new OAuth client

POST /oauth_clients — Required: name, allowed_scopes, client_type, allowed_grant_types

Optional: logo_uri (uri), policy_uri (uri), redirect_uris (array[string]), require_pkce (boolean), tos_uri (uri)

curl \
  -X POST \
  -H "Authorization: Bearer $TELNYX_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "name": "My OAuth client",
  "allowed_scopes": [
    "admin"
  ],
  "client_type": "public",
  "allowed_grant_types": [
    "client_credentials"
  ]
}' \
  "https://api.telnyx.com/v2/oauth_clients"

Returns: allowed_grant_types (array[string]), allowed_scopes (array[string]), client_id (string), client_secret (string | null), client_type (enum: public, confidential), created_at (date-time), logo_uri (uri), name (string), org_id (string), policy_uri (uri), record_type (enum: oauth_client), redirect_uris (array[string]), require_pkce (boolean), tos_uri (uri), updated_at (date-time), user_id (string)

Get OAuth client

Retrieve a single OAuth client by ID

GET /oauth_clients/{id}

curl -H "Authorization: Bearer $TELNYX_API_KEY" "https://api.telnyx.com/v2/oauth_clients/550e8400-e29b-41d4-a716-446655440000"

Returns: allowed_grant_types (array[string]), allowed_scopes (array[string]), client_id (string), client_secret (string | null), client_type (enum: public, confidential), created_at (date-time), logo_uri (uri), name (string), org_id (string), policy_uri (uri), record_type (enum: oauth_client), redirect_uris (array[string]), require_pkce (boolean), tos_uri (uri), updated_at (date-time), user_id (string)

Update OAuth client

Update an existing OAuth client

PUT /oauth_clients/{id}

Optional: allowed_grant_types (array[string]), allowed_scopes (array[string]), logo_uri (uri), name (string), policy_uri (uri), redirect_uris (array[string]), require_pkce (boolean), tos_uri (uri)

curl \
  -X PUT \
  -H "Authorization: Bearer $TELNYX_API_KEY" \
  -H "Content-Type: application/json" \
  "https://api.telnyx.com/v2/oauth_clients/550e8400-e29b-41d4-a716-446655440000"

Returns: allowed_grant_types (array[string]), allowed_scopes (array[string]), client_id (string), client_secret (string | null), client_type (enum: public, confidential), created_at (date-time), logo_uri (uri), name (string), org_id (string), policy_uri (uri), record_type (enum: oauth_client), redirect_uris (array[string]), require_pkce (boolean), tos_uri (uri), updated_at (date-time), user_id (string)

Delete OAuth client

Delete an OAuth client

DELETE /oauth_clients/{id}

curl \
  -X DELETE \
  -H "Authorization: Bearer $TELNYX_API_KEY" \
  "https://api.telnyx.com/v2/oauth_clients/550e8400-e29b-41d4-a716-446655440000"

List OAuth grants

Retrieve a paginated list of OAuth grants for the authenticated user

GET /oauth_grants

curl -H "Authorization: Bearer $TELNYX_API_KEY" "https://api.telnyx.com/v2/oauth_grants"

Returns: client_id (string), created_at (date-time), id (uuid), last_used_at (date-time), record_type (enum: oauth_grant), scopes (array[string])

Get OAuth grant

Retrieve a single OAuth grant by ID

GET /oauth_grants/{id}

curl -H "Authorization: Bearer $TELNYX_API_KEY" "https://api.telnyx.com/v2/oauth_grants/550e8400-e29b-41d4-a716-446655440000"

Returns: client_id (string), created_at (date-time), id (uuid), last_used_at (date-time), record_type (enum: oauth_grant), scopes (array[string])

Revoke OAuth grant

Revoke an OAuth grant

DELETE /oauth_grants/{id}

curl \
  -X DELETE \
  -H "Authorization: Bearer $TELNYX_API_KEY" \
  "https://api.telnyx.com/v2/oauth_grants/550e8400-e29b-41d4-a716-446655440000"

Returns: client_id (string), created_at (date-time), id (uuid), last_used_at (date-time), record_type (enum: oauth_grant), scopes (array[string])

How to use it

Copy the folder

Take team-telnyx/telnyx-oauth-curl from the repository into ~/.claude/skills for personal use, or into .claude/skills inside a project.

Check the name does not clash

The agent identifies a skill by the name field in its header. Two skills with the same name cannot sit side by side — one of them will be ignored.