Anthropic free API key

A free Anthropic API key gets you into the API without a credit card or a billing account. The keys below are community-sourced and re-checked regularly, so copy one, set it as the provider's environment variable, and start making requests. Free-tier keys carry rate limits, so if one stalls just take the next.

sk-ant-api03-M3dDi7qdHhPQ2j14gNT189jpFPGFbRtVA-LzzRKuHxkslG1ShmzlQLgO3UlfwEK63LqVSLeUur8iQlgfc6xyQvw6_Lqd7AAactive3.9M tokensverified 5d ago
sk-ant-api03---V2Pj3oQLExMbJDsem5EXKy6y8Wxw_S31lQuEaUfYLJ3YB6QsZU52KMnYVOQBKFUfxzHJuL7b02Et_5QqgfmPfrm1HyjAAactive$32.98 creditverified 4d agoap-southeast
sk-ant-api03-7L8Qy1GAgQxFF3nCnveIcSap-Hc0FzqnUR6KZafboIElAgKw4ALssX1PyikHA5GuP7Whi5Hzr717jROnoBGaAW3UfwlZpAAactive$9.73 creditverified 4d ago
sk-ant-api03-GjnfFQMDkqscpbhJIvP1eDEftxsujIxKVBJeFOk3UO858B2-U0AVx39dS8Gt3brMYG27uqO7QZEvmostB_1h3aMLEZaQrAAactive$9.96 creditverified 4d ago
sk-ant-api03-2Jlj89tBnSFyqJhAFBlWkn0vrfW4tVPGHsGZ8nd9Y083hZqV2UUUI7edtQtMkOlWhkbFXwl69YsW3-HKajDBDBtEofwWEAAactive6.7M tokensverified 6d agoap-northeast
sk-ant-api03-AgbEhgwB_FlAnntitSp741cyfSRN2GSRL5QffQLuA2EgO33vJHqrBp9AurpmD7UreQa1gVOxZrNhrcruCsN3kK2m_zMLjAAactive$13.75 creditverified 4d ago
sk-ant-api03-07D-M3sSWbjrFDog7Zf5ds5ILt6xtrRwt9pTyWJM6Im3QCFB5aj3mt0QQgd5id70cfU-_yztZimEf585lOni3JDmmDNp4AAactive5.3M tokensverified 4d ago
sk-ant-api03-rRblfJllzQlckr5PNb_vHqMgYF-0hugb8pteaoOFSLYjl5BvfYXmaq_Op4wAkVImmKzyua5p8MnyL2gOlyPvDAje2RRMZAAactive$43.93 creditverified 5d ago
sk-ant-api03-G-yGfweoaWthxUkg8dmGKpswxSR2pxGEjwXuvpCiaaB7WEMjCDvEJFCGuoc0Uc-_qXdMbT0HZ7DxJ-0SBqH2lHit9_djXAAactive6.5M tokensverified 5d agoap-southeast
sk-ant-api03-PRVlI6bexLIdZKTt82sBnpcpRRe5QfQX5-4bT0MoCHLzcCNKk9bKQy4YAcpXHq_iu0f9IgeVq1QgHDit2Cu62iPErDLybAAactive$29.75 creditverified 4d agoeu-central
sk-ant-api03-Py9jtlrEJaqaWOktVIZg0zEFBfNNqIBFCKTgXQVeHethe9L345xgEqBeyOdfdkxVecDGdiXZubus-BAA6fs6aIxzoyixrAAactive$18.85 creditverified 3d agoap-northeast
sk-ant-api03-z3KjbWlw8qnagHoXjqG2jY3CxM4gzDfJPEHGBlZ_V8tD3qhXkYON62U2H45dewVLXJqJNnGkSS195zS5c9NGrBcsb0Wk8AAactive$18.92 creditverified 5d agous-west
sk-ant-api03-pQMVDLCfw1w_Q7MNzczX-H7VBZykXkUXre-7BvChoa8jY8iqCBb08tdcqYm_5vtxSuEg5MgLgFoHzr-sqQselnalbyjuHAAactive$30.70 creditverified 5d ago
sk-ant-api03-kj9bERhLJj3g0f-WGojXM_cQzFpMmgulr0eKCLfYkqw5MaZ74PSeXXU1EyS2HH7pQ4d1p1gKhpcjKAgKfCM9-XMVkt4THAAactive$10.48 creditverified 3d ago
sk-ant-api03-mT9ocWWIMIQoBSIhjay5IyX83wNBrsQeD-R071zWQhUDINW9G4YnGfBuvqvByyQ34pMpjKA3BZY59Qc1lTPDViJ8WvqWSAAactive$34.59 creditverified 3d ago
sk-ant-api03-BT-5xbpZbImMaA7klU958f9pJjjG7qr6UUi84EPvk1GGW6xWly76e44Jfu4qjCGrlyYYU6zh9vCKUsII65B3XYX9IeXbVAAactive$32.72 creditverified 5d ago
sk-ant-api03-HO2JuMtlsY6nz_AsGHEEH9_x_jlQmVCSQrc8YHYarA31wub1_VOaQqMYJVpPt0ORXdpSaRgsHa7Thsj9zl-vyyRkvi_MUAAactive$25.52 creditverified 6d ago
sk-ant-api03-lMTACogPUa5kpdvMtEzYAGUgDAn7IthuBpPbYjpKvyKI5pihTADVZQ9r9mfdg82zLUEGkFlgTHtChJCUauxnaId4U6TQDAAactive$7.85 creditverified 3d ago
sk-ant-api03-lkDZtlxIJePsozAx1cPocQkbjdkt6xGRqovgF2I0ZmiZqGLpddYkZ3U8AirhnKDYP1RpPIp8Amdv7SL9w-JFluJ75wEfRAAactive$24.13 creditverified 5d ago
sk-ant-api03-keXNHOC8FYThiwt4pnx38Xvke6J-zz2t1fPvyukxLDz16-jVZQauoofSqd_ezMI9vxnMg6yWLDYPlCmqiyZHviHDU7mVwAAactive$28.46 creditverified 3d ago
sk-ant-api03-jIOmgQjHCFDTH2vpuhsm-qgQrfJeI0yYV50ehTpPmdE-hYIhC36xeBBottML4FvkVvrsfECvDWHtntXJz2WTh82Htua3HAAactive$20.36 creditverified 5d ago
sk-ant-api03-D80IVL1Poom5BecmraByE6n3vngyNrim9J8prl-uC5mu7Jbyb8QaNuqjmn0WJJN9kytJAlXTFXYsjiAFtOVXVi4qJcoNyAAactive$40.23 creditverified 4d agoeu-west
sk-ant-api03-lIfrS5ibvH03VCC7Zpo6Aiv7YLMPhRo012oPo0TuZf1e0Nm8EEp7ONth0wEV8hxlh7cgOd4dMxhGhg9qkNEnq_4GV57ieAAactive$28.42 creditverified 3d agoeu-west
sk-ant-api03-2FwYA5UblhdRpUSKQoIM1fr6BdiNBA-swKEyI0-5VYZDLp9UO7Bg2ke3Y2KcD1hOen3UZ_nxfB2SLk7PIPbRWME6DQiB8AAactive$35.87 creditverified 5d ago
sk-ant-api03-a3rBTOtli2ZkCF0eoY7ekcfXzRg1s7SHvNjFomti4XI63KKY6bqH_cXx9ACiUWDrcpI6MXO7F9E6dm0ZIpzk365aNHg7WAAactive$43.93 creditverified 6d agoeu-central

Back to all Anthropic keys

Anthropic Anthropic free API key

Anthropic free API key