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Reason: Did not find method in CORS header 'Access-Control-Allow-Methods' - HTTP | MDN
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  1. Web
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  4. Cross-Origin Resource Sharing (CORS)
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  6. Reason: Did not find method in CORS header 'Access-Control-Allow-Methods'
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Reason: Did not find method in CORS header 'Access-Control-Allow-Methods'

Reason

Reason: Did not find method in CORS header 'Access-Control-Allow-Methods'

In this article

What went wrong?

The HTTP method being used by the CORS request is not included in the list of methods specified by the response's Access-Control-Allow-Methods header. This header specifies a comma-delimited list of the HTTP methods which may be used when using CORS to access the URL specified in the request; if the request is using any other method, this error occurs.

For example, if the response includes:

http
Access-Control-Allow-Methods: GET,HEAD,POST

Trying to use a PUT request will fail with this error.

Make sure your code only uses the permitted HTTP methods when accessing the service.

Note: If the server includes any unrecognized or undefined method names in its Access-Control-Allow-methods header, a different error occurs: Reason: invalid token 'xyz' in CORS header 'Access-Control-Allow-Methods'.

If the server is not under your control, see Client-side considerations for alternative approaches.

See also

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  1. HTTP
  2. Guides
  3. Overview of HTTP
  4. Evolution of HTTP
  5. A typical HTTP session
  6. HTTP messages
  7. Media types
    1. Common types
  8. Compression in HTTP
  9. HTTP caching
  10. HTTP authentication
  11. Using HTTP cookies
  12. Redirections in HTTP
  13. Conditional requests
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  17. Compression Dictionary Transport
  18. Network Error Logging
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  20. Browser detection using the UA string
  21. Connection management in HTTP/1.x
  22. Protocol upgrade mechanism
  23. Proxy servers and tunneling
    1. Proxy Auto-Configuration (PAC) file
  24. Security and privacy
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    2. Practical implementation guides
    3. Permissions Policy
    4. Cross-Origin Resource Policy (CORP)
    5. IFrame credentialless
    6. Fetch metadata
    7. Cross-Origin Resource Sharing (CORS)
    8. CORS errors
      1. Reason: CORS disabled
      2. Reason: CORS header 'Access-Control-Allow-Origin' does not match 'xyz'
      3. Reason: CORS header 'Access-Control-Allow-Origin' missing
      4. Reason: CORS header 'Origin' cannot be added
      5. Reason: CORS preflight channel did not succeed
      6. Reason: CORS request did not succeed
      7. Reason: CORS request external redirect not allowed
      8. Reason: CORS request not HTTP
      9. Reason: Credential is not supported if the CORS header 'Access-Control-Allow-Origin' is '*'
      10. Reason: Did not find method in CORS header 'Access-Control-Allow-Methods'
      11. Reason: expected 'true' in CORS header 'Access-Control-Allow-Credentials'
      12. Reason: invalid token 'xyz' in CORS header 'Access-Control-Allow-Headers'
      13. Reason: invalid token 'xyz' in CORS header 'Access-Control-Allow-Methods'
      14. Reason: missing token 'xyz' in CORS header 'Access-Control-Allow-Headers' from CORS preflight channel
      15. Reason: Multiple CORS header 'Access-Control-Allow-Origin' not allowed
    9. Content Security Policy (CSP)
      1. Errors and warnings
  25. Reference
  26. HTTP headers
    1. Accept
    2. Accept-CH
    3. Accept-Encoding
    4. Accept-Language
    5. Accept-Patch
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    7. Accept-Ranges
    8. Access-Control-Allow-Credentials
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    10. Access-Control-Allow-Methods
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    12. Access-Control-Expose-Headers
    13. Access-Control-Max-Age
    14. Access-Control-Request-Headers
    15. Access-Control-Request-Method
    16. Activate-Storage-Access
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  27. HTTP request methods
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  28. HTTP response status codes
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    3. 102 Processing
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    5. 200 OK
    6. 201 Created
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    28. 406 Not Acceptable
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    30. 408 Request Timeout
    31. 409 Conflict
    32. 410 Gone
    33. 411 Length Required
    34. 412 Precondition Failed
    35. 413 Content Too Large
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    37. 415 Unsupported Media Type
    38. 416 Range Not Satisfiable
    39. 417 Expectation Failed
    40. 418 I'm a teapot
    41. 421 Misdirected Request
    42. 422 Unprocessable Content
    43. 423 Locked
    44. 424 Failed Dependency
    45. 425 Too Early
    46. 426 Upgrade Required
    47. 428 Precondition Required
    48. 429 Too Many Requests
    49. 431 Request Header Fields Too Large
    50. 451 Unavailable For Legal Reasons
    51. 500 Internal Server Error
    52. 501 Not Implemented
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    54. 503 Service Unavailable
    55. 504 Gateway Timeout
    56. 505 HTTP Version Not Supported
    57. 506 Variant Also Negotiates
    58. 507 Insufficient Storage
    59. 508 Loop Detected
    60. 510 Not Extended
    61. 511 Network Authentication Required
  29. CSP directives
    1. base-uri
    2. block-all-mixed-content
    3. child-src
    4. connect-src
    5. default-src
    6. fenced-frame-src
    7. font-src
    8. form-action
    9. frame-ancestors
    10. frame-src
    11. img-src
    12. manifest-src
    13. media-src
    14. object-src
    15. prefetch-src
    16. report-to
    17. report-uri
    18. require-trusted-types-for
    19. sandbox
    20. script-src
    21. script-src-attr
    22. script-src-elem
    23. style-src
    24. style-src-attr
    25. style-src-elem
    26. trusted-types
    27. upgrade-insecure-requests
    28. worker-src
  30. Permissions-Policy directives
    1. accelerometer
    2. ambient-light-sensor
    3. aria-notify
    4. attribution-reporting
    5. autoplay
    6. bluetooth
    7. browsing-topics
    8. camera
    9. captured-surface-control
    10. ch-ua-high-entropy-values
    11. compute-pressure
    12. cross-origin-isolated
    13. deferred-fetch
    14. deferred-fetch-minimal
    15. display-capture
    16. encrypted-media
    17. fullscreen
    18. gamepad
    19. geolocation
    20. gyroscope
    21. hid
    22. identity-credentials-get
    23. idle-detection
    24. language-detector
    25. language-model
    26. local-fonts
    27. local-network
    28. local-network-access
    29. loopback-network
    30. magnetometer
    31. microphone
    32. midi
    33. on-device-speech-recognition
    34. otp-credentials
    35. payment
    36. picture-in-picture
    37. private-state-token-issuance
    38. private-state-token-redemption
    39. publickey-credentials-create
    40. publickey-credentials-get
    41. screen-wake-lock
    42. serial
    43. speaker-selection
    44. storage-access
    45. summarizer
    46. translator
    47. usb
    48. web-share
    49. window-management
    50. xr-spatial-tracking
  31. HTTP resources and specifications
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