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Error Codes

All errors use the format:

{"error": {"code": "...", "message": "..."}}
CodeHTTPDescription
missing_api_key401X-SalesLobe-Key header missing
invalid_api_key401Key not found or invalid format
key_disabled403Key has been revoked
key_expired403Key has expired
plan_required403Requires Pro or Agency plan
scope_denied403Key lacks the required scope
rate_limit_exceeded429Too many requests per minute. Includes Retry-After header.
ip_rate_limit_exceeded429Too many requests from this IP address
daily_credit_limit_exceeded429Daily API credit limit reached
payload_too_large413Request body exceeds 50KB
insufficient_credits402Not enough neural credits
invalid_request400Request body invalid or required field missing
invalid_classification400Classification value not recognized
limit_reached400Maximum number of resources reached (e.g. 10 webhooks)
not_found404Resource not found
already_sent409Reply has already been sent
not_available501Endpoint not yet available
ai_error502AI generation failed
smartlead_error502Smartlead API call failed
internal_error500Internal server error