Anthropic API keys for 2026

Anthropic updated its key format over the past year, and plenty of keys floating around still use retired prefixes. Every key here matches the current 2026 format for Anthropic, so what you copy is what the API expects today.

sk-ant-api03-9bPsmMOc8lEmzCdMj6SstnbDC-TOtqnmTpMrD2e2bPa_-a89Ow3NC0mn2EUgbVyGgOhrhwYE4d8VUtGOw30P1IBfx-858AAactive2.7M tokensverified 5d ago
sk-ant-api03-25be4axE__4UwcXLfQAIqab7DrFwTsIKFHVhvRR9SCJWj-0QyO0YyhfQBWfvIIKcleaqLl9r0gR3zOuAQqMwc4MeCvEhhAAactive$6.10 creditverified 4d ago
sk-ant-api03-eZv73zXc0XhF2wLxVOzSExzhlOc_80QPqy5lr-gm92KN4qVeURPbbnhG8fipqxluNwOLVlFZn-YFtgJwz1VYMn8oykdBbAAactive1.9M tokensverified 3d ago
sk-ant-api03-HUGajvxHvmz2xlzXMIS7OGEmmZrCxJv15I1tsZR87pnEGqgdtdhRQ7rMGQvvlpWRIE2hbGiTUDsioDFGKoYfTwhvPlT4dAAactive8.4M tokensverified 5d ago
sk-ant-api03-kgEV-UtsXZlvj284A0WrAUpeXK1Ru9uLp8QD1r2d43L3zHXi_A20ESajk3r5sDGyHEue67wJzrHaVET4PcUel0oUKbeClAAactive1.1M tokensverified 4d agoap-southeast
sk-ant-api03-L9ZbMpsw_5HyVd1JSbhUP6x80PLGuBMEtIsPeR46myEg56jHkE84F5O_Vct4FMDQFtrDQ25W9BkD5JSvDc1PN91ju7UlRAAactive1.5M tokensverified 4d ago
sk-ant-api03-QK5xdjOSZT_viqQGeIfExWdoZ5JqjGVHqItfj2nc1QlIr7MTd-U1wfbyBrnD9zgwSVhRY7PSF_qp9UcTLoYJs3PI-bNrzAAactive$48.04 creditverified 3d ago
sk-ant-api03-33JoyDXMip00sT-YmNjKDCbs6o0nGh93xkaxcAjOJuoIGtYtlEP2noHeVl8isXM5o7RBUv8SmZyP7lF8unIgSxVFCWlxXAAactive$43.67 creditverified 6d ago
sk-ant-api03-s-qEmVDS5GqGR54z7lGeVDwotcX8rKHjVZuoEWgl0HDhTM3VXJgnAWXSurvI4bnKDq-mJyjoBiZZc4TOMFXKdmQX5Si1RAAactive4.8M tokensverified 4d ago
sk-ant-api03-lg8Tk-W5R7Wy3AtRbZSj_-cFDSwzUXooErJ_j-LpNbvF3p42WQvRKUiDHoU-k0RTopNZmzXdPbHNkHQxJ_Hu5YrPgCVuOAAactive$20.08 creditverified 4d ago
sk-ant-api03-sYCG3cgv_JWZRQugr2oJFc6o6RBOJCqlnIEcaOK3ZftelvHCqxcoKZodS2liV8haH4PdYoC59xJ1grzCM_Hn-4y3OyMj5AAactive$26.18 creditverified 4d ago
sk-ant-api03-X2GRPyG6A2yyx_bD77B5BCIChMDg-3-4sUGtHw5FbBfvQ1aUVR4sBmknzbwDzTO5uZdaGsgDACmYykkZgfA5EgfCcjPYoAAactive$44.12 creditverified 4d ago
sk-ant-api03-RmB6eoSSKSe2B-OWQa_GytMDqQI0fehK2MlyXMWUK2RvDDT_TDS-ouAFqgxzXhrtwJEGQ3z1ozRrDGIx_zKzbfYVXJQpDAAactive$19.42 creditverified 4d ago
sk-ant-api03-u55hfChJlNkygVOP4lK4mjYJUmDgxsdQb4lxs_Jsv8vOnjLmFKnZfUpVGvzU0yaCoBp1hiLfLAGlQTG9mt9gDS0_lOGIfAAactive7.9M tokensverified 5d ago
sk-ant-api03-iI82BqUF9UKyD02AGXSUj2NEBtZ3aRcDVLPj0CNYY-UWftFAkGOuXjx2Rxwi_cnnirpNw3luQ4fUSsTYlY993x65GGoUgAAactive$44.96 creditverified 4d ago
sk-ant-api03-0BIgPdAGJAMwGPgR0o_LWGkjFxK0nk9vUPOQFmy0TiOmxN4HRh0D5u6JzmM45FCK2MCCRISY_XxyHhuA3B-fwMGTwJa6MAAactive7.0M tokensverified 5d ago
sk-ant-api03-9tX7zzaCJgvTrbNI58vbbrt8s1v7fLmEK9WbG5yz9hg4553IHK-e8sGzhlg-GW2RU3DbyFDDsD8TL4kYY1MCssL9UqmywAAactive0.5M tokensverified 5d ago
sk-ant-api03-uvfrfE1JgbrPQxWTl5DT5121EEf0ZTk0WDhpeq50ES1_j_Weh3KalLoZKoPv2xUb5_t9fpRMNbqGxz5TPRurfL1bJax-AAAactive$32.39 creditverified 3d ago
sk-ant-api03-ZJ1dg1m9g8jxxTCHmNXEZ5OliDfMtkOe7CsUNtIVBcMxRYJgv3yCL3l_c1c23P4SYjPQcESKSy8pg7XrJVqnHyfUx6jv9AAactive$43.85 creditverified 6d ago
sk-ant-api03-PzWf8YCQZcIXtj9fVvWIBbhc3NPWirVvdepEmZSek8hicvWxJN_vqXcSMVU4Q08DtaC9cs4lF7F5gLY6xpr7MUzqbrCb5AAactive1.1M tokensverified 5d agoap-northeast
sk-ant-api03-KIPUGNdESUGYg0i9jQ8KTLt6NTJUIV4Ngz_EqbD-CsgrMLWAv5aFegs65Un_dLFIOeGz0JB61ncl1cMpmhPFM9y8C14IbAAactive$11.78 creditverified 5d agoap-southeast
sk-ant-api03-d9rsmJL91KJvL7Rkr-7kmRdYY-Wk2ENVQUUn0pThPjvji9RGs4mh1fqzjRkYqxBmlZivvsxjFvnGEgAf3CvefrV0T-CtaAAactive4.9M tokensverified 3d ago
sk-ant-api03-rH4Ov6E9b-Hq7pOiPA9Kkb2J1xOnlp-KubMTbfMSQGeie1db8rVagO-jMQ3JKP4rmuPAM1iRbY2yagxALTNktqOAL9ZQjAAactive1.8M tokensverified 4d ago
sk-ant-api03-4tCT4629lTSRhlvLQ0_UsZ34qswvn1KOO7SpTdwKpA7ACGFHOoAiIonrMs0rP2C-k9YmW1wdsugEH3dKufYOvs5yALOpTAAactive$45.14 creditverified 3d agous-west
sk-ant-api03-g0laql7RnFEBwaX7YSF9NjCkISIEZig02WAfYjaRbElH6jCECsNZWnRKI73elVMPNKpkHCiuPEPMQJl6ZRZyHdlWBiiFYAAactive3.3M tokensverified 5d ago

Back to all Anthropic keys

Anthropic Anthropic API keys for 2026

Anthropic API keys for 2026