From telnyx-python
Implements OAuth 2.0 authentication for Telnyx API using Python SDK. Covers setup, error handling, pagination, and endpoints like authorization server metadata.
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pip install telnyx
import os
from telnyx import Telnyx
client = Telnyx(
api_key=os.environ.get("TELNYX_API_KEY"), # This is the default and can be omitted
)
All examples below assume client is already initialized as shown above.
All API calls can fail with network errors, rate limits (429), validation errors (422), or authentication errors (401). Always handle errors in production code:
import telnyx
try:
result = client.messages.send(to="+13125550001", from_="+13125550002", text="Hello")
except telnyx.APIConnectionError:
print("Network error — check connectivity and retry")
except telnyx.RateLimitError:
# 429: rate limited — wait and retry with exponential backoff
import time
time.sleep(1) # Check Retry-After header for actual delay
except telnyx.APIStatusError as e:
print(f"API error {e.status_code}: {e.message}")
if e.status_code == 422:
print("Validation error — check required fields and formats")
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).
for item in page_result: to iterate through all pages automatically.OAuth 2.0 Authorization Server Metadata (RFC 8414)
GET /.well-known/oauth-authorization-server
response = client.well_known.retrieve_authorization_server_metadata()
print(response.authorization_endpoint)
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])
OAuth 2.0 Protected Resource Metadata for resource discovery
GET /.well-known/oauth-protected-resource
response = client.well_known.retrieve_protected_resource_metadata()
print(response.authorization_servers)
Returns: authorization_servers (array[string]), resource (uri)
OAuth 2.0 authorization endpoint for the authorization code flow
GET /oauth/authorize
client.oauth.retrieve_authorize(
client_id="550e8400-e29b-41d4-a716-446655440000",
redirect_uri="https://example.com",
response_type="code",
)
Retrieve details about an OAuth consent token
GET /oauth/consent/{consent_token}
oauth = client.oauth.retrieve(
"consent_token",
)
print(oauth.data)
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 an OAuth authorization grant
POST /oauth/grants — Required: allowed, consent_token
response = client.oauth.grants(
allowed=True,
consent_token="eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.example",
)
print(response.redirect_uri)
Returns: redirect_uri (uri)
Introspect an OAuth access token to check its validity and metadata
POST /oauth/introspect — Required: token
response = client.oauth.introspect(
token="eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.example",
)
print(response.client_id)
Returns: active (boolean), aud (string), client_id (string), exp (integer), iat (integer), iss (string), scope (string)
Retrieve the JSON Web Key Set for token verification
GET /oauth/jwks
response = client.oauth.retrieve_jwks()
print(response.keys)
Returns: keys (array[object])
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)
response = client.oauth.register()
print(response.client_id)
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)
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)
response = client.oauth.token(
grant_type="client_credentials",
)
print(response.access_token)
Returns: access_token (string), expires_in (integer), refresh_token (string), scope (string), token_type (enum: Bearer)
Retrieve a paginated list of OAuth clients for the authenticated user
GET /oauth_clients
page = client.oauth_clients.list()
page = page.data[0]
print(page.client_id)
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 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)
oauth_client = client.oauth_clients.create(
allowed_grant_types=["client_credentials"],
allowed_scopes=["admin"],
client_type="public",
name="My OAuth client",
)
print(oauth_client.data)
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)
Retrieve a single OAuth client by ID
GET /oauth_clients/{id}
oauth_client = client.oauth_clients.retrieve(
"182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e",
)
print(oauth_client.data)
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 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)
oauth_client = client.oauth_clients.update(
id="182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e",
)
print(oauth_client.data)
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 an OAuth client
DELETE /oauth_clients/{id}
client.oauth_clients.delete(
"182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e",
)
Retrieve a paginated list of OAuth grants for the authenticated user
GET /oauth_grants
page = client.oauth_grants.list()
page = page.data[0]
print(page.id)
Returns: client_id (string), created_at (date-time), id (uuid), last_used_at (date-time), record_type (enum: oauth_grant), scopes (array[string])
Retrieve a single OAuth grant by ID
GET /oauth_grants/{id}
oauth_grant = client.oauth_grants.retrieve(
"182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e",
)
print(oauth_grant.data)
Returns: client_id (string), created_at (date-time), id (uuid), last_used_at (date-time), record_type (enum: oauth_grant), scopes (array[string])
Revoke an OAuth grant
DELETE /oauth_grants/{id}
oauth_grant = client.oauth_grants.delete(
"182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e",
)
print(oauth_grant.data)
Returns: client_id (string), created_at (date-time), id (uuid), last_used_at (date-time), record_type (enum: oauth_grant), scopes (array[string])