| invalid_api_key |
API Error: Invalid API Key / Incorrect API key provided |
The API didn’t recognise the key sent with the request — it’s wrong, revoked, from another environment, or se… |
| ETIMEDOUT |
API Request Timed Out (ETIMEDOUT / ReadTimeout / timeout of 30000ms exceeded) |
The client gave up waiting — either for the connection to open or for the response to arrive. |
| CORS |
CORS Error: No 'Access-Control-Allow-Origin' header is present |
The browser blocked a cross-origin request because the server’s response didn’t include the CORS headers allo… |
| ENOTFOUND |
Error: getaddrinfo ENOTFOUND host / Name or service not known |
DNS lookup for the hostname failed — the name is wrong, doesn’t exist, or this machine can’t resolve it. |
| ECONNRESET |
Error: socket hang up / read ECONNRESET |
The other side closed the TCP connection abruptly while your client was still using it. |
| GRAPHQL_VALIDATION_FAILED |
GraphQL: Cannot query field "x" on type "Y" |
The query asks for a field that doesn’t exist in the server’s schema (or isn’t available on that type). |
| Mixed Content |
Mixed Content: The page was loaded over HTTPS, but requested an insecure resource |
An HTTPS page tried to load a script, API or image over plain HTTP, and the browser blocked (or warned about)… |
| CERTIFICATE_VERIFY_FAILED |
SSL: CERTIFICATE_VERIFY_FAILED / unable to get local issuer certificate |
The client couldn’t verify the server’s TLS certificate chain, so it refused the HTTPS connection. |
| webhook signature |
Webhook signature verification failed (Stripe, Razorpay, GitHub…) |
Your endpoint computed a different HMAC signature than the one the provider sent, so the webhook is rejected. |