anchor.diff:  
   + Response 200 (application/pdf)
   
  +
  ++ Request 
  +
  +    + Headers 
  +
  +            X-API-Key: badKey
  +
  +
  ++ Response 401 (application/json)
  +
  +
  +        {
  +          "error": "unauthorized",
  +          "reason": "You are not authorized to use the api"
  +        }
  +        
  +
  
positive.code:           "anneeRevenus": "2014"
          }
          
  # Group Caf
  
  ## Attestation de la Caf [/api/caf/attestation{?codeOrganisme}{?numeroAllocataire}]
  
negative.code: Permet de récupérer les attestations de CAF
  
  + Parameters
      + codeOrganisme: `toto` (string, required) - code la caisse de la caf
      + numeroAllocataire: `475757686` (string, required) - numéro de l'allocataire
  
  ### Affiche une déclaration [GET]
  
  