如果成功调用事件总线EventBridge的API，则返回ResponseCode=200；如果调用失败，会返回对应的异常错误码以及描述信息。您可以根据以下异常信息对照表查找对应的解决方法。
| HTTP Code | 错误码 | 错误信息 | 描述 |
|---|---|---|---|
| 403 | InvalidAccessKeyId | The access Id you provided is not exist. | 您提供的AccessKeyId不存在，请重新填写。 |
| 403 | InvalidStsAccessKeyId | The sts access Id you provided is not exist. | 您提供的STS的AccessKeyId不存在，请重新填写。 |
| 403 | AccountIdNotExist | The resource owner accountId not exist. | 资源所有者的账号ID不存在。 |
| 403 | AccessDenied | The OwnerId that your Access Key Id associated to is forbidden for this operation. | 您没有操作权限，请确认是否已获得授权。 |
| 429 | TooManyRequests | The request is denied by flow limiter for too many requests. | 请求过多，请稍后再试。 |
| 403 | AccessDeniedByPreCheck | The OwnerId that your Access Key Id associated to is forbidden by pre check. | 您没有相关操作权限，请确认。 |
| 403 | OptionsMethodNotEnable | OPTIONS method is not enabled. | OPTIONS方法未启用。 |
| 403 | SecurityTokenInvalid | The Security token that your provide is invalid. | 您提供的临时安全凭证无效。 |
| 403 | ParentAccountNotExist | ParentAccountNotExist | 主账号不存在，请确认。 |
| 403 | ServiceAccessDenied | The OwnerId that your Access Key Id associated to has not enabled EventBridge Service. | 您暂未开通事件总线EventBridge服务。 |
| 403 | StsAccessIdExpired | The sts accessid has expired. | STS访问已过期。 |
| 403 | SignatureDoesNotMatch | The request signature we calculated does not match the signature you provided. Check your key and signing method. | 签名不匹配，请检查您的Key值和签名方法。 |
| 403 | AccessDeniedForInternalRegion | The account is restricted in this region. | 账号在该地域受限。请更换访问地域。 |
| 403 | ServiceNotEnabled | The OwnerId that your Access Key Id associated to has not enabled. | 服务未开通。 |
| 403 | AccessDeniedByRamPolicy | The request is denied by ram policy. | RAM用户权限不足。 |
| 403 | AccessDeniedByConsoleAction | The request of console action is not support for this user. | 该用户无控制台操作权限。 |
| 403 | TimeExpired | The http request you sent is expired. | HTTP请求超时。 |
| 400 | InvalidArgument | The request params is invalid! | 请求参数无效。 |
| 400 | InvalidContent | The content you send may contains illegal characters. | 发送的内容不合法。 |
| 400 | InvalidAuthorizationHeader | The Authorization header format is invalid. | Authorization不合法。 |
| 400 | InvalidDateHeader | The Date header format is invalid. | Date不合法。 |
| 400 | InvalidRequestURL | URL invalid | URL无效。 |
| 409 | EventBusAlreadyExist | "The event bus already exist | 该事件总线（EventBus）已存在。 |
| 409 | EventBusNameEmpty | The event bus name is empty | 事件总线（EventBus）名称为空。 |
| 409 | EventBusNameInvalid | The name of event bus in request is invalid! | 请求中的事件总线（EventBus）名称无效。 |
| 409 | EventBusNameDefaultInvalid | 'default' can not be used as customer's event bus | 自定义事件总线（EventBus）不能命名为default。 |
| 409 | TryingToDeleteDefaultEventBus | The default event bus can not be deleted | 不能删除默认事件总线（EventBus）。 |
| 400 | EventEntryEmpty | The event entry is empty in request! | 事件输入为空。 |
| 400 | PutEventsRequestLengthExceedLimit | The length of putEvents request exceed max size limit | PutEvents请求的长度超过最大限制。 |
| 400 | PutEventsRequestBatchSizeExceedLimit | The batch size of putEvents request exceed max size limit | 批量发布的事件数量超过最大限制。 |
| 400 | EventEntryInvalid | The event entry is invalid in request! | 事件体无效。 |
| 400 | EventEntrySourceFieldInvalid | The source field of event entry is invalid in request! | 事件体的source字段无效。 |
| 400 | EventEntryTypeFieldInvalid | The type field of event entry is invalid in request! | 事件体的type字段不合法。 |
| 400 | DefaultEventBusForbidden | The default bus are not accessible for customer! | 没有访问默认事件总线（EventBus）的权限。 |
| 400 | EventEntrySizeExceed | The single event entry size exceed limit! | 单个事件体大小超过限制。 |
| 400 | EventEntryEventBusInvalid | EventEntryEventBusInvalid | 事件总线（EventBus）中的事件体无效。 |
| 400 | EventBusNotExist | The event bus to put event is not exist! | 用于发布事件的事件总线（EventBus）不存在。 |
| 400 | EventSourceNotExist | The event source in request is not exist! | 事件源不存在。 |
| 400 | EventSourceNameNullOrEmpty | The event source name in request is null or empty! | 事件源名称为空。 |
| 400 | EventSourceTypeNullOrEmpty | The event source type in request is null or empty! | 事件源类型为空。 |
| 400 | EventSourceAlreadyExist | The event source created has already exist! | 创建的事件源已存在。 |
| 400 | EventSourceParamInvalid | The event source param is invalid! | 事件源参数无效。 |
| 400 | EventTargetAlreadyExist | The event target created has already exist! | 创建的事件目标已存在。 |
| 400 | EventTargetNotExist | The event target delete has not exist! | 需删除的事件目标不存在。 |
| 400 | AddEventTypeParamsInvalid | The params for addEventType is invalid! | addEventType参数无效。 |
| 400 | EventTypeAlreadyExist | The event type in request already exist! | 事件类型已存在。 |
| 400 | EventTypeNotExist | The event type not exist! | 事件类型不存在。 |
| 400 | EventRuleNotExisted | The event rule not existed! | 事件规则不存在。 |
| 400 | EventRuleNameEmpty | The name of event rule in request is empty! | 事件规则的名称为空。 |
| 400 | EventRuleNameInvalid | The name of event rule in request is invalid! | 事件规则的名称无效。 |
| 400 | EventBusRuleNotEmptyForDelete | The rules of eventbus exist, please delete them before delete event bus | 事件总线（EventBus）下还有未删除的事件规则。请删除这些事件规则后再删除事件总线。 |
| 400 | EventRuleFilterPatternEmpty | The filter pattern of rule is empty! | 事件规则中的事件过滤模式为空。 |
| 400 | EventRuleSourceEmpty | The source of event rule in request is empty! | 事件规则中的事件源为空。 |
| 400 | EventRuleEventTypesEmpty | The eventTypes of event rule in request is empty! | 事件规则中的事件类型为空。 |
| 400 | EventRuleTargetsEmpty | The targets of event rule in request is empty! | 事件规则中的事件目标为空。 |
| 400 | EventRuleEventTypeNotSupport | The event type in rule is not support! | 不支持规则中的事件类型。 |
| 400 | EventRuleAlreadyExist | The event rule in request already exist! | 请求中的事件规则已存在。 |
| 400 | EventRuleCountExceedLimit | The event rule count must not exceed limit for each event bus! | 每个事件总线（EventBus）下的事件规则数量不能超出限制。 |
| 400 | EventRuleFilterPatternSchemaError | The filter pattern is invalid! | 事件过滤模式无效。 |
| 400 | EventRuleFilterPatternExceedLimit | The expression for field in filter pattern exceed count limit! | 事件过滤模式的字段描述超过限制。 |
| 400 | EventRuleInvalid | The event rule is invalid. | 事件规则无效。 |
| 400 | EventRuleStatusParamError | The status param of rule is invalid! | 事件规则的status参数无效。 |
| 400 | EventRuleTargetIdInvalid | The id of event target is invalid! | 事件目标ID无效。 |
| 400 | EventRuleTargetIdDuplicate | The id of event target is duplicate! | 事件目标ID重复。 |
| 400 | EventRuleTargetInvalid | The target in event rule is invalid! | 事件规则中的目标无效。 |
| 400 | EventRuleTargetFormatTypeInvalid | The format type of event target is invalid! | 事件目标的类型无效。 |
| 400 | EventRuleTargetRetryStrategyInvalid | The retry strategy of event target is invalid! | 事件目标的重试策略无效。 |
| 400 | EventRuleTargetsCountExceeded | The number of targets exceed limit | 事件目标超出限制。 |
| 400 | EventRuleTargetNotExist | The target is not exist in event rule! | 事件规则中不存在该事件目标。 |
| 500 | Timeout | Request timeout | 请求超时。 |
| 500 | InternalError | Unknown system error | 未知的系统报错。 |