Kong/insomnia · error · Error

unknown response type for oauth2: "${inputResponseType}", it

Error message

unknown response type for oauth2: "${inputResponseType}", it could be: 'code' | 'id_token' | 'id_token token' | 'none' | 'token' | ''

What it means

Error "unknown response type for oauth2: "${inputResponseType}", it could be: 'code' | 'id_token' | 'id_token token' | 'none' | 'token' | ''" thrown in Kong/insomnia.

Source

Thrown at packages/insomnia-scripting-environment/src/objects/auth.ts:515

          }
          case 'refresh_token': {
            return 'refresh_token';
          }
          default: {
            throw new Error(
              `auth transforming(fromPreRequestAuth): unknown auth grant type for oauth2: ${inputGrantType}`,
            );
          }
        }
      })();

      const responseType = ((): OAuth2ResponseType => {
        const inputResponseType = findValueInOauth2Options('response_type', authObj.oauth2);
        // responseType is currently always set to '' in our request auth model, this should be investigated what is correct to be set
        if (['code', 'id_token', 'id_token token', 'none', 'token', ''].includes(inputResponseType)) {
          return inputResponseType as OAuth2ResponseType;
        }
        throw new Error(
          `unknown response type for oauth2: "${inputResponseType}", it could be: 'code' | 'id_token' | 'id_token token' | 'none' | 'token' | ''`,
        );
      })();

      return {
        type: 'oauth2',
        disabled: findValueInOauth2Options('disabled', authObj.oauth2) === 'true',
        grantType: grantType,
        authorizationUrl: findValueInOauth2Options('authUrl', authObj.oauth2),
        accessTokenUrl: findValueInOauth2Options('accessTokenUrl', authObj.oauth2),
        clientId: findValueInOauth2Options('clientId', authObj.oauth2),
        clientSecret: findValueInOauth2Options('clientSecret', authObj.oauth2),
        scope: findValueInOauth2Options('scope', authObj.oauth2),
        code: findValueInOauth2Options('code_verifier', authObj.oauth2),
        accessToken: findValueInOauth2Options('accessToken', authObj.oauth2),
        pkceMethod: findValueInOauth2Options('challengeAlgorithm', authObj.oauth2),
        usePkce: findValueInOauth2Options('grant_type', authObj.oauth2) === 'authorization_code_with_pkce',
        username: findValueInOauth2Options('username', authObj.oauth2),

View on GitHub (pinned to d9bb2b0142)

When it happens

Trigger: Thrown at packages/insomnia-scripting-environment/src/objects/auth.ts:515 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of Kong/insomnia@d9bb2b0142 (2026-08-26). Data as JSON: /api/errors/6e54121756d348f9. Report an issue: GitHub.