## Headers

| Header | On | Meaning |
| --- | --- | --- |
| `X-Dexra-Plan` | covered calls | The plan that covered the call, or free. |
| `X-Dexra-Calls-Remaining` | covered calls, quota_exceeded | Credits left today. |
| `X-Dexra-Subscription` | calls paid per call | Why the account did not cover it: quota_exceeded, plan_required (Free does not include batches or long feeds), email_unconfirmed, inactive. |
| `X-Dexra-Credits-Needed` | quota_exceeded | Credits the call needs; a 6-credit analysis can be refused while cheaper calls still pass. |
| `Retry-After` | 429, 503 | Seconds to wait before retrying. |
| `X-RateLimit-Limit` | 429 | Requests a second allowed for the account. |
| `Payment-Required` | 402 | Base64 JSON of the x402 payment requirements. |
| `Payment-Response` | paid calls | Base64 JSON of the settled payment. |

Source: https://dexra.dev/docs/headers