Authorization

Spelled 3 ways

HTTP field names are case-insensitive (RFC 9110 §5.1), so every spelling below is the same header on the wire. A contract is not the wire: generated clients key off the string, and a developer reading two of these sees two different headers.

AuthorizationauthorizationAUTHORIZATION

The registry

Providers declaring it (1382)

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amazon-cloudwatch amazon-codeartifact amazon-codebuild amazon-codecatalyst amazon-codedeploy amazon-codeguru-profiler amazon-codeguru-reviewer amazon-codeguru-security amazon-codepipeline amazon-codestar amazon-cognito amazon-comprehend amazon-compute-optimizer amazon-config amazon-data-exchange amazon-data-lifecycle-manager amazon-data-pipeline amazon-datasync amazon-datazone amazon-deadline-cloud amazon-deepracer amazon-detective amazon-device-farm amazon-devops-guru amazon-direct-connect amazon-directory-service amazon-dms amazon-documentdb amazon-ebs amazon-ec2 amazon-ec2-auto-scaling amazon-ec2-image-builder amazon-ecr amazon-ecs amazon-efs amazon-elastic-beanstalk amazon-elastic-load-balancing amazon-elastic-transcoder amazon-elasticache amazon-entity-resolution amazon-eventbridge amazon-eventbridge-pipes amazon-eventbridge-scheduler amazon-fargate amazon-fault-injection-simulator amazon-finspace amazon-firewall-manager amazon-forecast amazon-fraud-detector amazon-freertos amazon-gamelift amazon-global-accelerator amazon-glue amazon-glue-databrew amazon-ground-station amazon-guardduty amazon-health-dashboard amazon-healthimaging amazon-healthlake amazon-healthomics amazon-iam amazon-iam-access-analyzer amazon-iam-identity-center amazon-incident-manager amazon-inspector amazon-interactive-video-service amazon-iot-core amazon-iot-device-defender amazon-iot-device-management amazon-iot-events amazon-iot-fleetwise amazon-iot-greengrass amazon-iot-sitewise amazon-iot-twinmaker amazon-kendra amazon-keyspaces amazon-kinesis amazon-kinesis-firehose amazon-kinesis-video-streams amazon-kms amazon-lake-formation amazon-lambda amazon-launch-wizard amazon-lex amazon-license-manager amazon-lightsail amazon-location-service amazon-lookout-for-equipment amazon-lookout-for-metrics amazon-lookout-for-vision amazon-macie amazon-mainframe-modernization amazon-managed-apache-flink amazon-managed-blockchain amazon-managed-grafana amazon-managed-prometheus amazon-marketplace amazon-mechanical-turk amazon-mediaconnect amazon-mediaconvert amazon-medialive amazon-mediapackage amazon-mediastore amazon-mediatailor amazon-memorydb amazon-migration-hub amazon-monitron amazon-mq amazon-msk amazon-neptune amazon-network-firewall amazon-nova amazon-opensearch amazon-organizations amazon-outposts amazon-panorama amazon-payment-cryptography amazon-personalize amazon-pinpoint amazon-polly amazon-private-ca amazon-privatelink amazon-proton amazon-q amazon-qldb amazon-quicksight amazon-rds amazon-redshift amazon-rekognition amazon-resilience-hub amazon-resource-explorer amazon-robomaker amazon-route-53 amazon-route53-resolver amazon-s3 amazon-s3-glacier amazon-security-lake amazon-serverless-application-repository amazon-service-catalog amazon-ses amazon-shield amazon-signer amazon-simpledb amazon-simspace-weaver amazon-snow-family amazon-sqs amazon-step-functions amazon-storage-gateway amazon-supply-chain amazon-swf amazon-transcribe amazon-transit-gateway amazon-translate amazon-vpc amazon-vpn amazon-waf amazon-web-services-aws amazon-well-architected-tool amazon-workmail amazon-workspaces amazon-workspaces-web amazon-xray amerco amplitude andel angelcam ansa ansible-roles anthropic apideck apimatic apipark apollo-config appcharge appdirect appsflyer apriori aptible aqueduct arcade arcade-dev archil arcjet argo-workflows armor aserto askui assemblyai atlassian attentive audatex auth0 autodesk-fusion automat autonomys avalara avaya avito aweber aws-api-gateway aws-app-mesh aws-app-runner aws-backup aws-batch aws-braket aws-codebuild aws-elastic-beanstalk aws-glue aws-healthlake aws-lambda aws-marketplace aws-redshift aws-security-hub aws-step-functions aws-waf aws-x-ray axlehire axway azupay azure-cosmos-db azure-file-storage azure-service-bus b-well back-market backblaze badger-maps bakkt bancontact bank-of-ireland-uk bank-of-scotland barclays baremetrics baseten basware bazaarvoice beeceptor beehiiv benzinga betgenius bevz beyondtrust 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coactive cobalt coda codat codat-io codeberg codeclimate codefresh coinflow coinme collectors color comet commercetools commsharbor complyadvantage configure8 confrere conga conjur connexpay conta-azul contalink continuous-delivery-foundation convelio convert convex convoy conxai coorpacademy coperniq corva-ai court-listener coutts cove.tool coventry-building-society coveo cover-genius cox-automotive crates-io creatoriq credo-ai creed cryptocompare cubefs cubist cuboh curated-for-you currentsapi cvat cvent cvent-event-cloud cvent-hospitality-cloud cvent-registration cycloid cycognito cynergy-bank d-id dailyhunt dashbot datafold dataiku decisiv deel-com deepgram deepl defacto definedcrowd delinea delivery-hero delos delphix deluxe demisto democracy-works devcycle diagnostic-robotics

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All headers Authentication Guidance on headers.apievangelist.com

Work with this as data

Every header here is available over the APIs.io API and to AI agents over MCP. HTTP Headers is not yet its own endpoint on the v1 API. Reach it through catalog search and the tag graph, or the MCP server.

curl "https://apis.io/api/v1/search?q=authorization&limit=10"

curl "https://apis.io/api/v1/tags/authorization"